89274866520 has 128 divisors (see below), whose sum is σ = 306181555200. Its totient is φ = 20399264256.

The previous prime is 89274866503. The next prime is 89274866539. The reversal of 89274866520 is 2566847298.

It is a happy number.

It is a Cunningham number, because it is equal to 298789²-1.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2972941 + ... + 3002819.

It is an arithmetic number, because the mean of its divisors is an integer number (2392043400).

Almost surely, 2^89274866520 is an apocalyptic number.

It is an amenable number.

89274866520 is an abundant number, since it is smaller than the sum of its proper divisors (216906688680).

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

89274866520 is a wasteful number, since it uses less digits than its factorization.

89274866520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33457 (or 33453 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 57.

The spelling of 89274866520 in words is "eighty-nine billion, two hundred seventy-four million, eight hundred sixty-six thousand, five hundred twenty".