88172385 has 32 divisors (see below), whose sum is σ = 161609472. Its totient is φ = 40212480.

The previous prime is 88172377. The next prime is 88172411. The reversal of 88172385 is 58327188.

It is a happy number.

It is not a de Polignac number, because 88172385 - 2³ = 88172377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64105 + ... + 65465.

It is an arithmetic number, because the mean of its divisors is an integer number (5050296).

Almost surely, 2^88172385 is an apocalyptic number.

It is an amenable number.

88172385 is a deficient number, since it is larger than the sum of its proper divisors (73437087).

88172385 is a wasteful number, since it uses less digits than its factorization.

88172385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1993.

The product of its digits is 107520, while the sum is 42.

The square root of 88172385 is about 9390.0151757066. The cubic root of 88172385 is about 445.0862686764.

The spelling of 88172385 in words is "eighty-eight million, one hundred seventy-two thousand, three hundred eighty-five".