1057678892 has 24 divisors (see below), whose sum is σ = 1902591600. Its totient is φ = 514105920.

The previous prime is 1057678889. The next prime is 1057678901. The reversal of 1057678892 is 2988767501.

It is a super-2 number, since 2×1057678892² = 2237369277164695328, which contains 22 as substring.

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, 230234 + ... + 234782.

It is an arithmetic number, because the mean of its divisors is an integer number (79274650).

Almost surely, 2^1057678892 is an apocalyptic number.

It is an amenable number.

1057678892 is a deficient number, since it is larger than the sum of its proper divisors (844912708).

1057678892 is a wasteful number, since it uses less digits than its factorization.

1057678892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6161 (or 6159 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 53.

The square root of 1057678892 is about 32521.9755242513. The cubic root of 1057678892 is about 1018.8680548099.

The spelling of 1057678892 in words is "one billion, fifty-seven million, six hundred seventy-eight thousand, eight hundred ninety-two".