90207971011 has 8 divisors (see below), whose sum is σ = 90277146000. Its totient is φ = 90138828000.

The previous prime is 90207970969. The next prime is 90207971047. The reversal of 90207971011 is 11017970209.

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 90207971011 - 2¹⁵ = 90207938243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90207971111) 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, 9062065 + ... + 9072013.

It is an arithmetic number, because the mean of its divisors is an integer number (11284643250).

Almost surely, 2^90207971011 is an apocalyptic number.

90207971011 is a deficient number, since it is larger than the sum of its proper divisors (69174989).

90207971011 is a wasteful number, since it uses less digits than its factorization.

90207971011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15989.

The product of its (nonzero) digits is 7938, while the sum is 37.

The spelling of 90207971011 in words is "ninety billion, two hundred seven million, nine hundred seventy-one thousand, eleven".