187696738848 has 96 divisors (see below), whose sum is σ = 515139004800. Its totient is φ = 59727405056.

The previous prime is 187696738847. The next prime is 187696738861. The reversal of 187696738848 is 848837696781.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 187696738848.

It is not an unprimeable number, because it can be changed into a prime (187696738843) 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, 1040368 + ... + 1207376.

It is an arithmetic number, because the mean of its divisors is an integer number (5366031300).

Almost surely, 2^187696738848 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 187696738848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257569502400).

187696738848 is an abundant number, since it is smaller than the sum of its proper divisors (327442265952).

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

187696738848 is a wasteful number, since it uses less digits than its factorization.

187696738848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167554 (or 167546 counting only the distinct ones).

The product of its digits is 780337152, while the sum is 75.

The spelling of 187696738848 in words is "one hundred eighty-seven billion, six hundred ninety-six million, seven hundred thirty-eight thousand, eight hundred forty-eight".