88947931 has 2 divisors, whose sum is σ = 88947932. Its totient is φ = 88947930.

The previous prime is 88947919. The next prime is 88947941. The reversal of 88947931 is 13974988.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 88947931 - 2⁵ = 88947899 is a prime.

It is a super-2 number, since 2×88947931² = 15823468858361522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (88947941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44473965 + 44473966.

It is an arithmetic number, because the mean of its divisors is an integer number (44473966).

Almost surely, 2^88947931 is an apocalyptic number.

88947931 is a deficient number, since it is larger than the sum of its proper divisors (1).

88947931 is an equidigital number, since it uses as much as digits as its factorization.

88947931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 49.

The square root of 88947931 is about 9431.2210768278. The cubic root of 88947931 is about 446.3874233550.

The spelling of 88947931 in words is "eighty-eight million, nine hundred forty-seven thousand, nine hundred thirty-one".