90351437956977 has 16 divisors (see below), whose sum is σ = 123814301296640. Its totient is φ = 58584193276752.

The previous prime is 90351437956963. The next prime is 90351437956981. The reversal of 90351437956977 is 77965973415309.

It is not a de Polignac number, because 90351437956977 - 2²² = 90351433762673 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90351437956899 and 90351437956908.

It is not an unprimeable number, because it can be changed into a prime (90351437956907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2844981853 + ... + 2845013610.

It is an arithmetic number, because the mean of its divisors is an integer number (7738393831040).

Almost surely, 2^{90351437956977} is an apocalyptic number.

It is an amenable number.

90351437956977 is a deficient number, since it is larger than the sum of its proper divisors (33462863339663).

90351437956977 is a wasteful number, since it uses less digits than its factorization.

90351437956977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5689995612.

The product of its (nonzero) digits is 1350253800, while the sum is 75.

The spelling of 90351437956977 in words is "ninety trillion, three hundred fifty-one billion, four hundred thirty-seven million, nine hundred fifty-six thousand, nine hundred seventy-seven".