89768447982 has 12 divisors (see below), whose sum is σ = 194498304000. Its totient is φ = 29922815988.

The previous prime is 89768447957. The next prime is 89768448019. The reversal of 89768447982 is 28974486798.

89768447982 is a `hidden beast` number, since 8 + 9 + 76 + 8 + 4 + 479 + 82 = 666.

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 89768447982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2493567982 + ... + 2493568017.

It is an arithmetic number, because the mean of its divisors is an integer number (16208192000).

Almost surely, 2^89768447982 is an apocalyptic number.

89768447982 is an abundant number, since it is smaller than the sum of its proper divisors (104729856018).

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

89768447982 is a wasteful number, since it uses less digits than its factorization.

89768447982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4987136007 (or 4987136004 counting only the distinct ones).

The product of its digits is 390168576, while the sum is 72.

The spelling of 89768447982 in words is "eighty-nine billion, seven hundred sixty-eight million, four hundred forty-seven thousand, nine hundred eighty-two".