8521992611 has 24 divisors (see below), whose sum is σ = 9941324400. Its totient is φ = 7274516480.

The previous prime is 8521992599. The next prime is 8521992631. The reversal of 8521992611 is 1162991258.

It is not a de Polignac number, because 8521992611 - 2¹⁴ = 8521976227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8521992631) 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, 918980 + ... + 928206.

It is an arithmetic number, because the mean of its divisors is an integer number (414221850).

Almost surely, 2^8521992611 is an apocalyptic number.

8521992611 is a deficient number, since it is larger than the sum of its proper divisors (1419331789).

8521992611 is a wasteful number, since it uses less digits than its factorization.

8521992611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9715 (or 9704 counting only the distinct ones).

The product of its digits is 77760, while the sum is 44.

The square root of 8521992611 is about 92314.6392020247. The cubic root of 8521992611 is about 2042.5861577156.

The spelling of 8521992611 in words is "eight billion, five hundred twenty-one million, nine hundred ninety-two thousand, six hundred eleven".