88676922978 has 162 divisors, whose sum is σ = 230556646593. Its totient is φ = 24560534880.

The previous prime is 88676922977. The next prime is 88676922991. The reversal of 88676922978 is 87922967688.

It can be written as a sum of positive squares in 2 ways, for example, as 71543945529 + 17132977449 = 267477^2 + 130893^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=210567.

It is a super-2 number, since 2×88676922978² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (88676922973) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 327220983 + ... + 327221253.

Almost surely, 2^88676922978 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88676922978

88676922978 is an abundant number, since it is smaller than the sum of its proper divisors (141879723615).

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

88676922978 is a wasteful number, since it uses less digits than its factorization.

88676922978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638 (or 320 counting only the distinct ones).

The product of its digits is 292626432, while the sum is 72.

Multiplying 88676922978 by its sum of digits (72), we get a square (6384738454416 = 2526804²).

The spelling of 88676922978 in words is "eighty-eight billion, six hundred seventy-six million, nine hundred twenty-two thousand, nine hundred seventy-eight".