90992911 has 8 divisors (see below), whose sum is σ = 92969280. Its totient is φ = 89037312.

The previous prime is 90992849. The next prime is 90992917. The reversal of 90992911 is 11929909.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90992911 - 2¹¹ = 90990863 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 (90992917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3831 + ... + 14023.

It is an arithmetic number, because the mean of its divisors is an integer number (11621160).

Almost surely, 2^90992911 is an apocalyptic number.

90992911 is a deficient number, since it is larger than the sum of its proper divisors (1976369).

90992911 is a wasteful number, since it uses less digits than its factorization.

90992911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10385.

The product of its (nonzero) digits is 13122, while the sum is 40.

The square root of 90992911 is about 9539.0204423725. The cubic root of 90992911 is about 449.7824644049.

The spelling of 90992911 in words is "ninety million, nine hundred ninety-two thousand, nine hundred eleven".