88515967 has 2 divisors, whose sum is σ = 88515968. Its totient is φ = 88515966.

The previous prime is 88515961. The next prime is 88515979. The reversal of 88515967 is 76951588.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88515967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 88515967.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88515961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44257983 + 44257984.

It is an arithmetic number, because the mean of its divisors is an integer number (44257984).

Almost surely, 2^88515967 is an apocalyptic number.

88515967 is a deficient number, since it is larger than the sum of its proper divisors (1).

88515967 is an equidigital number, since it uses as much as digits as its factorization.

88515967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 49.

The square root of 88515967 is about 9408.2924593148. The cubic root of 88515967 is about 445.6636430488.

The spelling of 88515967 in words is "eighty-eight million, five hundred fifteen thousand, nine hundred sixty-seven".