90555078760 has 32 divisors (see below), whose sum is σ = 204815692800. Its totient is φ = 36032384320.

The previous prime is 90555078743. The next prime is 90555078787. The reversal of 90555078760 is 6787055509.

It is a junction number, because it is equal to n+sod(n) for n = 90555078698 and 90555078707.

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, 5918740 + ... + 5934019.

It is an arithmetic number, because the mean of its divisors is an integer number (6400490400).

Almost surely, 2^90555078760 is an apocalyptic number.

It is an amenable number.

90555078760 is an abundant number, since it is smaller than the sum of its proper divisors (114260614040).

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

90555078760 is a wasteful number, since it uses less digits than its factorization.

90555078760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11852961 (or 11852957 counting only the distinct ones).

The product of its (nonzero) digits is 2646000, while the sum is 52.

The spelling of 90555078760 in words is "ninety billion, five hundred fifty-five million, seventy-eight thousand, seven hundred sixty".