90763474966785 has 40 divisors (see below), whose sum is σ = 164761451099520. Its totient is φ = 47794437434016.

The previous prime is 90763474966781. The next prime is 90763474966817. The reversal of 90763474966785 is 58766947436709.

90763474966785 is a `hidden beast` number, since 9 + 0 + 7 + 6 + 3 + 47 + 496 + 6 + 7 + 85 = 666.

It is not a de Polignac number, because 90763474966785 - 2² = 90763474966781 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is not an unprimeable number, because it can be changed into a prime (90763474966781) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1418368927 + ... + 1418432916.

It is an arithmetic number, because the mean of its divisors is an integer number (4119036277488).

Almost surely, 2^{90763474966785} is an apocalyptic number.

It is an amenable number.

90763474966785 is a deficient number, since it is larger than the sum of its proper divisors (73997976132735).

90763474966785 is a wasteful number, since it uses less digits than its factorization.

90763474966785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2836801939 (or 2836801930 counting only the distinct ones).

The product of its (nonzero) digits is 11522165760, while the sum is 81.

The spelling of 90763474966785 in words is "ninety trillion, seven hundred sixty-three billion, four hundred seventy-four million, nine hundred sixty-six thousand, seven hundred eighty-five".