88572813 has 16 divisors (see below), whose sum is σ = 142072320. Its totient is φ = 47948976.

The previous prime is 88572779. The next prime is 88572817. The reversal of 88572813 is 31827588.

It is a happy number.

It is not a de Polignac number, because 88572813 - 2⁶ = 88572749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88572817) 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 15 ways as a sum of consecutive naturals, for example, 110595 + ... + 111392.

It is an arithmetic number, because the mean of its divisors is an integer number (8879520).

Almost surely, 2^88572813 is an apocalyptic number.

It is an amenable number.

88572813 is a deficient number, since it is larger than the sum of its proper divisors (53499507).

88572813 is a wasteful number, since it uses less digits than its factorization.

88572813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222016.

The product of its digits is 107520, while the sum is 42.

The square root of 88572813 is about 9411.3130327282. The cubic root of 88572813 is about 445.7590261190.

The spelling of 88572813 in words is "eighty-eight million, five hundred seventy-two thousand, eight hundred thirteen".