89650945780 has 24 divisors (see below), whose sum is σ = 205382167200. Its totient is φ = 32600343840.

The previous prime is 89650945763. The next prime is 89650945819. The reversal of 89650945780 is 8754905698.

It is a congruent number.

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, 203751930 + ... + 203752369.

It is an arithmetic number, because the mean of its divisors is an integer number (8557590300).

Almost surely, 2^89650945780 is an apocalyptic number.

It is an amenable number.

89650945780 is an abundant number, since it is smaller than the sum of its proper divisors (115731221420).

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

89650945780 is a wasteful number, since it uses less digits than its factorization.

89650945780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407504319 (or 407504317 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 61.

The spelling of 89650945780 in words is "eighty-nine billion, six hundred fifty million, nine hundred forty-five thousand, seven hundred eighty".