90377659256 has 8 divisors (see below), whose sum is σ = 169458111120. Its totient is φ = 45188829624.

The previous prime is 90377659241. The next prime is 90377659279. The reversal of 90377659256 is 65295677309.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 90377659195 and 90377659204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5648603696 + ... + 5648603711.

It is an arithmetic number, because the mean of its divisors is an integer number (21182263890).

Almost surely, 2^90377659256 is an apocalyptic number.

It is an amenable number.

90377659256 is a deficient number, since it is larger than the sum of its proper divisors (79080451864).

90377659256 is a wasteful number, since it uses less digits than its factorization.

90377659256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11297207413 (or 11297207409 counting only the distinct ones).

The product of its (nonzero) digits is 21432600, while the sum is 59.

The spelling of 90377659256 in words is "ninety billion, three hundred seventy-seven million, six hundred fifty-nine thousand, two hundred fifty-six".