90999074211 has 8 divisors (see below), whose sum is σ = 121334082240. Its totient is φ = 60665057832.

The previous prime is 90999074209. The next prime is 90999074237. The reversal of 90999074211 is 11247099909.

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

It is not a de Polignac number, because 90999074211 - 2¹ = 90999074209 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (90999074711) 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, 2280 + ... + 426618.

It is an arithmetic number, because the mean of its divisors is an integer number (15166760280).

Almost surely, 2^90999074211 is an apocalyptic number.

90999074211 is a deficient number, since it is larger than the sum of its proper divisors (30335008029).

90999074211 is a wasteful number, since it uses less digits than its factorization.

90999074211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495825.

The product of its (nonzero) digits is 367416, while the sum is 51.

The spelling of 90999074211 in words is "ninety billion, nine hundred ninety-nine million, seventy-four thousand, two hundred eleven".