1056797885 has 64 divisors (see below), whose sum is σ = 1567399680. Its totient is φ = 673505280.

The previous prime is 1056797881. The next prime is 1056797891. The reversal of 1056797885 is 5887976501.

It is not a de Polignac number, because 1056797885 - 2² = 1056797881 is a prime.

It is a super-2 number, since 2×1056797885² = 2233643539480946450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1056797885.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056797881) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1137101 + ... + 1138029.

It is an arithmetic number, because the mean of its divisors is an integer number (24490620).

Almost surely, 2^1056797885 is an apocalyptic number.

It is an amenable number.

1056797885 is a deficient number, since it is larger than the sum of its proper divisors (510601795).

1056797885 is a wasteful number, since it uses less digits than its factorization.

1056797885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038.

The product of its (nonzero) digits is 4233600, while the sum is 56.

The square root of 1056797885 is about 32508.4279072366. The cubic root of 1056797885 is about 1018.5850832195.

The spelling of 1056797885 in words is "one billion, fifty-six million, seven hundred ninety-seven thousand, eight hundred eighty-five".