88731213 has 8 divisors (see below), whose sum is σ = 122388000. Its totient is φ = 57114288.

The previous prime is 88731193. The next prime is 88731229. The reversal of 88731213 is 31213788.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 88731213 - 2¹⁰ = 88730189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88731283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509863 + ... + 510036.

It is an arithmetic number, because the mean of its divisors is an integer number (15298500).

Almost surely, 2^88731213 is an apocalyptic number.

It is an amenable number.

88731213 is a deficient number, since it is larger than the sum of its proper divisors (33656787).

88731213 is a wasteful number, since it uses less digits than its factorization.

88731213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019931.

The product of its digits is 8064, while the sum is 33.

The square root of 88731213 is about 9419.7246775052. The cubic root of 88731213 is about 446.0245936152.

The spelling of 88731213 in words is "eighty-eight million, seven hundred thirty-one thousand, two hundred thirteen".