88978644687988 has 48 divisors (see below), whose sum is σ = 176493212380800. Its totient is φ = 38879663921280.

The previous prime is 88978644687943. The next prime is 88978644688001.

It is a happy number.

88978644687988 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×88978644687988² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 88978644687893 and 88978644687902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151962120 + ... + 152546527.

It is an arithmetic number, because the mean of its divisors is an integer number (3676941924600).

Almost surely, 2^{88978644687988} is an apocalyptic number.

It is an amenable number.

88978644687988 is a deficient number, since it is larger than the sum of its proper divisors (87514567692812).

88978644687988 is a wasteful number, since it uses less digits than its factorization.

88978644687988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304508920 (or 304508918 counting only the distinct ones).

The product of its digits is 599298932736, while the sum is 100.

The spelling of 88978644687988 in words is "eighty-eight trillion, nine hundred seventy-eight billion, six hundred forty-four million, six hundred eighty-seven thousand, nine hundred eighty-eight".