89761042656 has 36 divisors (see below), whose sum is σ = 255257965872. Its totient is φ = 29920347456.

The previous prime is 89761042603. The next prime is 89761042663. The reversal of 89761042656 is 65624016798.

It is a tau number, because it is divible by the number of its divisors (36).

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, 155834856 + ... + 155835431.

It is an arithmetic number, because the mean of its divisors is an integer number (7090499052).

Almost surely, 2^89761042656 is an apocalyptic number.

It is an amenable number.

89761042656 is an abundant number, since it is smaller than the sum of its proper divisors (165496923216).

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

89761042656 is a wasteful number, since it uses less digits than its factorization.

89761042656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311670303 (or 311670292 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 89761042656 in words is "eighty-nine billion, seven hundred sixty-one million, forty-two thousand, six hundred fifty-six".