1057290679 has 4 divisors (see below), whose sum is σ = 1075210920. Its totient is φ = 1039370440.

The previous prime is 1057290677. The next prime is 1057290697. The reversal of 1057290679 is 9760927501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1057290679 - 2¹ = 1057290677 is a prime.

It is a super-2 number, since 2×1057290679² = 2235727159800562082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057290677) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 8960032 + ... + 8960149.

It is an arithmetic number, because the mean of its divisors is an integer number (268802730).

Almost surely, 2^1057290679 is an apocalyptic number.

1057290679 is a deficient number, since it is larger than the sum of its proper divisors (17920241).

1057290679 is an equidigital number, since it uses as much as digits as its factorization.

1057290679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17920240.

The product of its (nonzero) digits is 238140, while the sum is 46.

The square root of 1057290679 is about 32516.0065044894. The cubic root of 1057290679 is about 1018.7433836297.

The spelling of 1057290679 in words is "one billion, fifty-seven million, two hundred ninety thousand, six hundred seventy-nine".