88860091 has 2 divisors, whose sum is σ = 88860092. Its totient is φ = 88860090.

The previous prime is 88860061. The next prime is 88860097. The reversal of 88860091 is 19006888.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 88860091 - 2⁷ = 88859963 is a prime.

It is a super-2 number, since 2×88860091² = 15792231545056562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (88860097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44430045 + 44430046.

It is an arithmetic number, because the mean of its divisors is an integer number (44430046).

Almost surely, 2^88860091 is an apocalyptic number.

88860091 is a deficient number, since it is larger than the sum of its proper divisors (1).

88860091 is an equidigital number, since it uses as much as digits as its factorization.

88860091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 40.

The square root of 88860091 is about 9426.5630534145. The cubic root of 88860091 is about 446.2404325431.

The spelling of 88860091 in words is "eighty-eight million, eight hundred sixty thousand, ninety-one".