89811876480 has 64 divisors (see below), whose sum is σ = 286275362400. Its totient is φ = 23949833216.

The previous prime is 89811876461. The next prime is 89811876509. The reversal of 89811876480 is 8467811898.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (60).

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, 23386590 + ... + 23390429.

Almost surely, 2^89811876480 is an apocalyptic number.

89811876480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89811876480 is an abundant number, since it is smaller than the sum of its proper divisors (196463485920).

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

89811876480 is a wasteful number, since it uses less digits than its factorization.

89811876480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46777041 (or 46777029 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 60.

The spelling of 89811876480 in words is "eighty-nine billion, eight hundred eleven million, eight hundred seventy-six thousand, four hundred eighty".