90547783811 has 16 divisors (see below), whose sum is σ = 92017382400. Its totient is φ = 89090575200.

The previous prime is 90547783769. The next prime is 90547783847. The reversal of 90547783811 is 11838774509.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90547783811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90547783861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19755026 + ... + 19759608.

It is an arithmetic number, because the mean of its divisors is an integer number (5751086400).

Almost surely, 2^90547783811 is an apocalyptic number.

90547783811 is a deficient number, since it is larger than the sum of its proper divisors (1469598589).

90547783811 is a wasteful number, since it uses less digits than its factorization.

90547783811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5866.

The product of its (nonzero) digits is 1693440, while the sum is 53.

The spelling of 90547783811 in words is "ninety billion, five hundred forty-seven million, seven hundred eighty-three thousand, eight hundred eleven".