89643761804 has 24 divisors (see below), whose sum is σ = 157372239360. Its totient is φ = 44680389264.

The previous prime is 89643761783. The next prime is 89643761891. The reversal of 89643761804 is 40816734698.

It is a self number, because there is not a number n which added to its sum of digits gives 89643761804.

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, 3113177 + ... + 3141839.

It is an arithmetic number, because the mean of its divisors is an integer number (6557176640).

Almost surely, 2^89643761804 is an apocalyptic number.

It is an amenable number.

89643761804 is a deficient number, since it is larger than the sum of its proper divisors (67728477556).

89643761804 is a wasteful number, since it uses less digits than its factorization.

89643761804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31109 (or 31107 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 56.

The spelling of 89643761804 in words is "eighty-nine billion, six hundred forty-three million, seven hundred sixty-one thousand, eight hundred four".