88631385 has 16 divisors (see below), whose sum is σ = 145109184. Its totient is φ = 46170432.

The previous prime is 88631383. The next prime is 88631461. The reversal of 88631385 is 58313688.

It is not a de Polignac number, because 88631385 - 2¹ = 88631383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (88631383) 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, 68062 + ... + 69351.

It is an arithmetic number, because the mean of its divisors is an integer number (9069324).

Almost surely, 2^88631385 is an apocalyptic number.

It is an amenable number.

88631385 is a deficient number, since it is larger than the sum of its proper divisors (56477799).

88631385 is a wasteful number, since it uses less digits than its factorization.

88631385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137464.

The product of its digits is 138240, while the sum is 42.

The square root of 88631385 is about 9414.4243052881. The cubic root of 88631385 is about 445.8572626009.

The spelling of 88631385 in words is "eighty-eight million, six hundred thirty-one thousand, three hundred eighty-five".