1057864688 has 10 divisors (see below), whose sum is σ = 2049612864. Its totient is φ = 528932336.

The previous prime is 1057864663. The next prime is 1057864721. The reversal of 1057864688 is 8864687501.

It is a super-2 number, since 2×1057864688² = 2238155396234674688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 33058256 + ... + 33058287.

Almost surely, 2^1057864688 is an apocalyptic number.

It is an amenable number.

1057864688 is a deficient number, since it is larger than the sum of its proper divisors (991748176).

1057864688 is an equidigital number, since it uses as much as digits as its factorization.

1057864688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66116551 (or 66116545 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 53.

The square root of 1057864688 is about 32524.8318673594. The cubic root of 1057864688 is about 1018.9277107625.

The spelling of 1057864688 in words is "one billion, fifty-seven million, eight hundred sixty-four thousand, six hundred eighty-eight".