88091864 has 32 divisors (see below), whose sum is σ = 193163520. Its totient is φ = 36874656.

The previous prime is 88091837. The next prime is 88091891. The reversal of 88091864 is 46819088.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (88091837) and next prime (88091891).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15884 + ... + 20699.

It is an arithmetic number, because the mean of its divisors is an integer number (6036360).

Almost surely, 2^88091864 is an apocalyptic number.

It is an amenable number.

88091864 is an abundant number, since it is smaller than the sum of its proper divisors (105071656).

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

88091864 is a wasteful number, since it uses less digits than its factorization.

88091864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36639 (or 36635 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 44.

The square root of 88091864 is about 9385.7266101245. The cubic root of 88091864 is about 444.9507398235.

The spelling of 88091864 in words is "eighty-eight million, ninety-one thousand, eight hundred sixty-four".