1057318886 has 16 divisors (see below), whose sum is σ = 1709673504. Its totient is φ = 487508544.

The previous prime is 1057318879. The next prime is 1057318903. The reversal of 1057318886 is 6888137501.

It is a happy number.

It is a super-2 number, since 2×1057318886² = 2235846453384561992, 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 1057318886.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7175 + ... + 46541.

It is an arithmetic number, because the mean of its divisors is an integer number (106854594).

Almost surely, 2^1057318886 is an apocalyptic number.

1057318886 is a deficient number, since it is larger than the sum of its proper divisors (652354618).

1057318886 is a wasteful number, since it uses less digits than its factorization.

1057318886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40415.

The product of its (nonzero) digits is 322560, while the sum is 47.

The square root of 1057318886 is about 32516.4402418223. The cubic root of 1057318886 is about 1018.7524430870.

The spelling of 1057318886 in words is "one billion, fifty-seven million, three hundred eighteen thousand, eight hundred eighty-six".