88897520 has 20 divisors (see below), whose sum is σ = 206686920. Its totient is φ = 35558976.

The previous prime is 88897511. The next prime is 88897531. The reversal of 88897520 is 2579888.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555530 + ... + 555689.

It is an arithmetic number, because the mean of its divisors is an integer number (10334346).

Almost surely, 2^88897520 is an apocalyptic number.

88897520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

88897520 is an abundant number, since it is smaller than the sum of its proper divisors (117789400).

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

88897520 is a wasteful number, since it uses less digits than its factorization.

88897520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111232 (or 1111226 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 47.

The square root of 88897520 is about 9428.5481384994. The cubic root of 88897520 is about 446.3030777960.

The spelling of 88897520 in words is "eighty-eight million, eight hundred ninety-seven thousand, five hundred twenty".