88385491 has 2 divisors, whose sum is σ = 88385492. Its totient is φ = 88385490.

The previous prime is 88385483. The next prime is 88385497. The reversal of 88385491 is 19458388.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 88385491 - 2³ = 88385483 is a prime.

It is a super-2 number, since 2×88385491² = 15623990038622162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (88385497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44192745 + 44192746.

It is an arithmetic number, because the mean of its divisors is an integer number (44192746).

Almost surely, 2^88385491 is an apocalyptic number.

88385491 is a deficient number, since it is larger than the sum of its proper divisors (1).

88385491 is an equidigital number, since it uses as much as digits as its factorization.

88385491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 276480, while the sum is 46.

The square root of 88385491 is about 9401.3558064781. The cubic root of 88385491 is about 445.4445601500. Note that the first 3 decimals are identical.

The spelling of 88385491 in words is "eighty-eight million, three hundred eighty-five thousand, four hundred ninety-one".