8061564957 has 8 divisors (see below), whose sum is σ = 10793354880. Its totient is φ = 5352075840.

The previous prime is 8061564923. The next prime is 8061564961. The reversal of 8061564957 is 7594651608.

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

It is not a de Polignac number, because 8061564957 - 2¹⁵ = 8061532189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8061564977) 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, 5574357 + ... + 5575802.

It is an arithmetic number, because the mean of its divisors is an integer number (1349169360).

Almost surely, 2^8061564957 is an apocalyptic number.

It is an amenable number.

8061564957 is a deficient number, since it is larger than the sum of its proper divisors (2731789923).

8061564957 is a wasteful number, since it uses less digits than its factorization.

8061564957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11150403.

The product of its (nonzero) digits is 1814400, while the sum is 51.

The square root of 8061564957 is about 89786.2180793912. The cubic root of 8061564957 is about 2005.1173084930.

The spelling of 8061564957 in words is "eight billion, sixty-one million, five hundred sixty-four thousand, nine hundred fifty-seven".