89121652538 has 16 divisors (see below), whose sum is σ = 134371781280. Its totient is φ = 44331365136.

The previous prime is 89121652523. The next prime is 89121652547. The reversal of 89121652538 is 83525612198.

It is a super-2 number, since 2×89121652538² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511781 + ... + 663447.

It is an arithmetic number, because the mean of its divisors is an integer number (8398236330).

Almost surely, 2^89121652538 is an apocalyptic number.

89121652538 is a deficient number, since it is larger than the sum of its proper divisors (45250128742).

89121652538 is a wasteful number, since it uses less digits than its factorization.

89121652538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153181.

The product of its digits is 1036800, while the sum is 50.

The spelling of 89121652538 in words is "eighty-nine billion, one hundred twenty-one million, six hundred fifty-two thousand, five hundred thirty-eight".