89512647966 has 48 divisors (see below), whose sum is σ = 231393246480. Its totient is φ = 25575041520.

The previous prime is 89512647929. The next prime is 89512647979. The reversal of 89512647966 is 66974621598.

89512647966 is a `hidden beast` number, since 8 + 95 + 12 + 6 + 479 + 66 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16912065 + ... + 16917356.

It is an arithmetic number, because the mean of its divisors is an integer number (4820692635).

Almost surely, 2^89512647966 is an apocalyptic number.

89512647966 is an abundant number, since it is smaller than the sum of its proper divisors (141880598514).

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

89512647966 is a wasteful number, since it uses less digits than its factorization.

89512647966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33829446 (or 33829433 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 63.

The spelling of 89512647966 in words is "eighty-nine billion, five hundred twelve million, six hundred forty-seven thousand, nine hundred sixty-six".