88917129 has 16 divisors (see below), whose sum is σ = 150547840. Its totient is φ = 50809680.

The previous prime is 88917121. The next prime is 88917133. The reversal of 88917129 is 92171988.

It is not a de Polignac number, because 88917129 - 2³ = 88917121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88917121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235042 + ... + 235419.

It is an arithmetic number, because the mean of its divisors is an integer number (9409240).

Almost surely, 2^88917129 is an apocalyptic number.

It is an amenable number.

88917129 is a deficient number, since it is larger than the sum of its proper divisors (61630711).

88917129 is a wasteful number, since it uses less digits than its factorization.

88917129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470477 (or 470471 counting only the distinct ones).

The product of its digits is 72576, while the sum is 45.

The square root of 88917129 is about 9429.5879549427. The cubic root of 88917129 is about 446.3358905361.

The spelling of 88917129 in words is "eighty-eight million, nine hundred seventeen thousand, one hundred twenty-nine".