88172331 has 32 divisors (see below), whose sum is σ = 134077440. Its totient is φ = 51093504.

The previous prime is 88172327. The next prime is 88172333. The reversal of 88172331 is 13327188.

It is not a de Polignac number, because 88172331 - 2² = 88172327 is a prime.

It is a super-2 number, since 2×88172331² = 15548719907947122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 88172292 and 88172301.

It is not an unprimeable number, because it can be changed into a prime (88172333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 190206 + ... + 190668.

It is an arithmetic number, because the mean of its divisors is an integer number (4189920).

Almost surely, 2^88172331 is an apocalyptic number.

88172331 is a deficient number, since it is larger than the sum of its proper divisors (45905109).

88172331 is a wasteful number, since it uses less digits than its factorization.

88172331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755.

The product of its digits is 8064, while the sum is 33.

The square root of 88172331 is about 9390.0123003114. The cubic root of 88172331 is about 445.0861778140.

The spelling of 88172331 in words is "eighty-eight million, one hundred seventy-two thousand, three hundred thirty-one".