88631312478 has 16 divisors (see below), whose sum is σ = 177468994560. Its totient is φ = 29509375896.

The previous prime is 88631312431. The next prime is 88631312479. The reversal of 88631312478 is 87421313688.

It is a self number, because there is not a number n which added to its sum of digits gives 88631312478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88631312479) 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, 8593150 + ... + 8603457.

It is an arithmetic number, because the mean of its divisors is an integer number (11091812160).

Almost surely, 2^88631312478 is an apocalyptic number.

88631312478 is an abundant number, since it is smaller than the sum of its proper divisors (88837682082).

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

88631312478 is a wasteful number, since it uses less digits than its factorization.

88631312478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17197471.

The product of its digits is 1548288, while the sum is 51.

The spelling of 88631312478 in words is "eighty-eight billion, six hundred thirty-one million, three hundred twelve thousand, four hundred seventy-eight".