89516259138 has 16 divisors (see below), whose sum is σ = 181967478336. Its totient is φ = 29349593040.

The previous prime is 89516259109. The next prime is 89516259139. The reversal of 89516259138 is 83195261598.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (89516259139) 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, 122289606 + ... + 122290337.

It is an arithmetic number, because the mean of its divisors is an integer number (11372967396).

Almost surely, 2^89516259138 is an apocalyptic number.

89516259138 is an abundant number, since it is smaller than the sum of its proper divisors (92451219198).

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

89516259138 is a wasteful number, since it uses less digits than its factorization.

89516259138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244580009.

The product of its digits is 4665600, while the sum is 57.

The spelling of 89516259138 in words is "eighty-nine billion, five hundred sixteen million, two hundred fifty-nine thousand, one hundred thirty-eight".