79846251500 has 48 divisors (see below), whose sum is σ = 174554155776. Its totient is φ = 31907376000.

The previous prime is 79846251497. The next prime is 79846251503. The reversal of 79846251500 is 515264897.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (79846251497) and next prime (79846251503).

It is not an unprimeable number, because it can be changed into a prime (79846251503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 439205 + ... + 593795.

It is an arithmetic number, because the mean of its divisors is an integer number (3636544912).

Almost surely, 2^79846251500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79846251500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87277077888).

79846251500 is an abundant number, since it is smaller than the sum of its proper divisors (94707904276).

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

79846251500 is a wasteful number, since it uses less digits than its factorization.

79846251500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155643 (or 155631 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 47.

The spelling of 79846251500 in words is "seventy-nine billion, eight hundred forty-six million, two hundred fifty-one thousand, five hundred".