88131807 has 20 divisors (see below), whose sum is σ = 133250040. Its totient is φ = 58042224.

The previous prime is 88131787. The next prime is 88131821. The reversal of 88131807 is 70813188.

It is not a de Polignac number, because 88131807 - 2⁷ = 88131679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88131877) 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 in 19 ways as a sum of consecutive naturals, for example, 169 + ... + 13277.

It is an arithmetic number, because the mean of its divisors is an integer number (6662502).

Almost surely, 2^88131807 is an apocalyptic number.

88131807 is a deficient number, since it is larger than the sum of its proper divisors (45118233).

88131807 is a wasteful number, since it uses less digits than its factorization.

88131807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13204 (or 13195 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 36.

The square root of 88131807 is about 9387.8542276710. The cubic root of 88131807 is about 445.0179801682.

The spelling of 88131807 in words is "eighty-eight million, one hundred thirty-one thousand, eight hundred seven".