89401475015 has 16 divisors (see below), whose sum is σ = 114961055328. Its totient is φ = 66503033856.

The previous prime is 89401474993. The next prime is 89401475077. The reversal of 89401475015 is 51057410498.

It is not a de Polignac number, because 89401475015 - 2⁸ = 89401474759 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 6328982 + ... + 6343091.

It is an arithmetic number, because the mean of its divisors is an integer number (7185065958).

Almost surely, 2^89401475015 is an apocalyptic number.

89401475015 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

89401475015 is a deficient number, since it is larger than the sum of its proper divisors (25559580313).

89401475015 is a wasteful number, since it uses less digits than its factorization.

89401475015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12672178.

The product of its (nonzero) digits is 201600, while the sum is 44.

The spelling of 89401475015 in words is "eighty-nine billion, four hundred one million, four hundred seventy-five thousand, fifteen".