88869731 has 2 divisors, whose sum is σ = 88869732. Its totient is φ = 88869730.

The previous prime is 88869721. The next prime is 88869743. The reversal of 88869731 is 13796888.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88869731 is a prime.

It is a super-2 number, since 2×88869731² = 15795658176024722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 88869731.

It is not a weakly prime, because it can be changed into another prime (88869701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44434865 + 44434866.

It is an arithmetic number, because the mean of its divisors is an integer number (44434866).

Almost surely, 2^88869731 is an apocalyptic number.

88869731 is a deficient number, since it is larger than the sum of its proper divisors (1).

88869731 is an equidigital number, since it uses as much as digits as its factorization.

88869731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 50.

The square root of 88869731 is about 9427.0743605850. The cubic root of 88869731 is about 446.2565687792.

The spelling of 88869731 in words is "eighty-eight million, eight hundred sixty-nine thousand, seven hundred thirty-one".