88871931 has 16 divisors (see below), whose sum is σ = 137387520. Its totient is φ = 56671560.

The previous prime is 88871897. The next prime is 88871941. The reversal of 88871931 is 13917888.

It is not a de Polignac number, because 88871931 - 2¹¹ = 88869883 is a prime.

It is a super-2 number, since 2×88871931² = 15796440239337522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88871941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70935 + ... + 72176.

It is an arithmetic number, because the mean of its divisors is an integer number (8586720).

Almost surely, 2^88871931 is an apocalyptic number.

88871931 is a deficient number, since it is larger than the sum of its proper divisors (48515589).

88871931 is a wasteful number, since it uses less digits than its factorization.

88871931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143143 (or 143137 counting only the distinct ones).

The product of its digits is 96768, while the sum is 45.

The square root of 88871931 is about 9427.1910450568. The cubic root of 88871931 is about 446.2602511592.

The spelling of 88871931 in words is "eighty-eight million, eight hundred seventy-one thousand, nine hundred thirty-one".