88936691 has 2 divisors, whose sum is σ = 88936692. Its totient is φ = 88936690.

The previous prime is 88936633. The next prime is 88936723. The reversal of 88936691 is 19663988.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88936691 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (88936621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44468345 + 44468346.

It is an arithmetic number, because the mean of its divisors is an integer number (44468346).

Almost surely, 2^88936691 is an apocalyptic number.

88936691 is a deficient number, since it is larger than the sum of its proper divisors (1).

88936691 is an equidigital number, since it uses as much as digits as its factorization.

88936691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 50.

The square root of 88936691 is about 9430.6251648552. The cubic root of 88936691 is about 446.3686198223.

The spelling of 88936691 in words is "eighty-eight million, nine hundred thirty-six thousand, six hundred ninety-one".