89071655915 has 16 divisors (see below), whose sum is σ = 118245194496. Its totient is φ = 63866997600.

The previous prime is 89071655879. The next prime is 89071655921. The reversal of 89071655915 is 51955617098.

It is not a de Polignac number, because 89071655915 - 2¹² = 89071651819 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11400917 + ... + 11408726.

It is an arithmetic number, because the mean of its divisors is an integer number (7390324656).

Almost surely, 2^89071655915 is an apocalyptic number.

89071655915 is a deficient number, since it is larger than the sum of its proper divisors (29173538581).

89071655915 is a wasteful number, since it uses less digits than its factorization.

89071655915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22809730.

The product of its (nonzero) digits is 3402000, while the sum is 56.

The spelling of 89071655915 in words is "eighty-nine billion, seventy-one million, six hundred fifty-five thousand, nine hundred fifteen".