83078525988 has 24 divisors (see below), whose sum is σ = 215388771360. Its totient is φ = 27692841960.

The previous prime is 83078525987. The next prime is 83078526007. The reversal of 83078525988 is 88952587038.

83078525988 is a `hidden beast` number, since 8 + 30 + 7 + 8 + 5 + 2 + 598 + 8 = 666.

It is a super-2 number, since 2×83078525988² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (83078525983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384622698 + ... + 384622913.

It is an arithmetic number, because the mean of its divisors is an integer number (8974532140).

Almost surely, 2^83078525988 is an apocalyptic number.

It is an amenable number.

83078525988 is an abundant number, since it is smaller than the sum of its proper divisors (132310245372).

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

83078525988 is a wasteful number, since it uses less digits than its factorization.

83078525988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769245624 (or 769245616 counting only the distinct ones).

The product of its (nonzero) digits is 38707200, while the sum is 63.

The spelling of 83078525988 in words is "eighty-three billion, seventy-eight million, five hundred twenty-five thousand, nine hundred eighty-eight".