88987931 has 2 divisors, whose sum is σ = 88987932. Its totient is φ = 88987930.

The previous prime is 88987919. The next prime is 88987937. The reversal of 88987931 is 13978988.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 88987931 - 2¹⁰ = 88986907 is a prime.

It is a super-2 number, since 2×88987931² = 15837703727321522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (88987937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44493965 + 44493966.

It is an arithmetic number, because the mean of its divisors is an integer number (44493966).

Almost surely, 2^88987931 is an apocalyptic number.

88987931 is a deficient number, since it is larger than the sum of its proper divisors (1).

88987931 is an equidigital number, since it uses as much as digits as its factorization.

88987931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 53.

The square root of 88987931 is about 9433.3414546490. The cubic root of 88987931 is about 446.4543269950.

The spelling of 88987931 in words is "eighty-eight million, nine hundred eighty-seven thousand, nine hundred thirty-one".