28988632012392 has 96 divisors (see below), whose sum is σ = 87681664805280. Its totient is φ = 8919579072960.

The previous prime is 28988632012367. The next prime is 28988632012399. The reversal of 28988632012392 is 29321023688982.

28988632012392 is a `hidden beast` number, since 2 + 89 + 88 + 63 + 20 + 12 + 392 = 666.

It is not an unprimeable number, because it can be changed into a prime (28988632012399) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 573507334 + ... + 573557877.

It is an arithmetic number, because the mean of its divisors is an integer number (913350675055).

Almost surely, 2^{28988632012392} is an apocalyptic number.

It is an amenable number.

28988632012392 is an abundant number, since it is smaller than the sum of its proper divisors (58693032792888).

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

28988632012392 is a wasteful number, since it uses less digits than its factorization.

28988632012392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147065245 (or 1147065229 counting only the distinct ones).

The product of its (nonzero) digits is 35831808, while the sum is 63.

The spelling of 28988632012392 in words is "twenty-eight trillion, nine hundred eighty-eight billion, six hundred thirty-two million, twelve thousand, three hundred ninety-two".