90386749711 has 24 divisors (see below), whose sum is σ = 93581643600. Its totient is φ = 87295756800.

The previous prime is 90386749679. The next prime is 90386749781. The reversal of 90386749711 is 11794768309.

It is not a de Polignac number, because 90386749711 - 2⁵ = 90386749679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90386749781) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84552085 + ... + 84553153.

It is an arithmetic number, because the mean of its divisors is an integer number (3899235150).

Almost surely, 2^90386749711 is an apocalyptic number.

90386749711 is a deficient number, since it is larger than the sum of its proper divisors (3194893889).

90386749711 is a wasteful number, since it uses less digits than its factorization.

90386749711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611 (or 1570 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 55.

The spelling of 90386749711 in words is "ninety billion, three hundred eighty-six million, seven hundred forty-nine thousand, seven hundred eleven".