89515234938 has 16 divisors (see below), whose sum is σ = 183869131680. Its totient is φ = 29031968016.

The previous prime is 89515234937. The next prime is 89515234943. The reversal of 89515234938 is 83943251598.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (89515234937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201610668 + ... + 201611111.

It is an arithmetic number, because the mean of its divisors is an integer number (11491820730).

Almost surely, 2^89515234938 is an apocalyptic number.

89515234938 is an abundant number, since it is smaller than the sum of its proper divisors (94353896742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89515234938 is a wasteful number, since it uses less digits than its factorization.

89515234938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403221821.

The product of its digits is 9331200, while the sum is 57.

The spelling of 89515234938 in words is "eighty-nine billion, five hundred fifteen million, two hundred thirty-four thousand, nine hundred thirty-eight".