158786772727300 has 72 divisors (see below), whose sum is σ = 353044941380712. Its totient is φ = 61952655360000.

The previous prime is 158786772727241. The next prime is 158786772727307. The reversal of 158786772727300 is 3727277687851.

It can be written as a sum of positive squares in 12 ways, for example, as 33557736753216 + 125229035974084 = 5792904^2 + 11190578^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 158786772727300.

It is not an unprimeable number, because it can be changed into a prime (158786772727307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15650724 + ... + 23717476.

It is an arithmetic number, because the mean of its divisors is an integer number (4903401963621).

Almost surely, 2^{158786772727300} is an apocalyptic number.

158786772727300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158786772727300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176522470690356).

158786772727300 is an abundant number, since it is smaller than the sum of its proper divisors (194258168653412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158786772727300 is a wasteful number, since it uses less digits than its factorization.

158786772727300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8071609 (or 8071602 counting only the distinct ones).

The product of its (nonzero) digits is 387233280, while the sum is 70.

The spelling of 158786772727300 in words is "one hundred fifty-eight trillion, seven hundred eighty-six billion, seven hundred seventy-two million, seven hundred twenty-seven thousand, three hundred".