8791056131 has 32 divisors (see below), whose sum is σ = 10504505088. Its totient is φ = 7251488640.

The previous prime is 8791056101. The next prime is 8791056149. The reversal of 8791056131 is 1316501978.

It is not a de Polignac number, because 8791056131 - 2¹⁰ = 8791055107 is a prime.

It is a super-2 number, since 2×8791056131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8791056101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7405520 + ... + 7406706.

It is an arithmetic number, because the mean of its divisors is an integer number (328265784).

Almost surely, 2^8791056131 is an apocalyptic number.

8791056131 is a deficient number, since it is larger than the sum of its proper divisors (1713448957).

8791056131 is a wasteful number, since it uses less digits than its factorization.

8791056131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2051.

The product of its (nonzero) digits is 45360, while the sum is 41.

The square root of 8791056131 is about 93760.6320957789. The cubic root of 8791056131 is about 2063.8605560846.

The spelling of 8791056131 in words is "eight billion, seven hundred ninety-one million, fifty-six thousand, one hundred thirty-one".