90090840763 has 36 divisors (see below), whose sum is σ = 115283478576. Its totient is φ = 70145460000.

The previous prime is 90090840761. The next prime is 90090840767. The reversal of 90090840763 is 36704809009.

It is not a de Polignac number, because 90090840763 - 2¹ = 90090840761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90090840761) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8574013 + ... + 8584513.

Almost surely, 2^90090840763 is an apocalyptic number.

90090840763 is a deficient number, since it is larger than the sum of its proper divisors (25192637813).

90090840763 is a wasteful number, since it uses less digits than its factorization.

90090840763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11984 (or 11966 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 46.

The spelling of 90090840763 in words is "ninety billion, ninety million, eight hundred forty thousand, seven hundred sixty-three".