1057678863 has 8 divisors (see below), whose sum is σ = 1455730176. Its totient is φ = 682373400.

The previous prime is 1057678841. The next prime is 1057678873. The reversal of 1057678863 is 3688767501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1057678863 - 2⁸ = 1057678607 is a prime.

It is a super-2 number, since 2×1057678863² = 2237369154473945538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057678813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5686353 + ... + 5686538.

It is an arithmetic number, because the mean of its divisors is an integer number (181966272).

Almost surely, 2^1057678863 is an apocalyptic number.

1057678863 is a deficient number, since it is larger than the sum of its proper divisors (398051313).

1057678863 is a wasteful number, since it uses less digits than its factorization.

1057678863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11372925.

The product of its (nonzero) digits is 1693440, while the sum is 51.

The square root of 1057678863 is about 32521.9750783989. The cubic root of 1057678863 is about 1018.8680454979.

The spelling of 1057678863 in words is "one billion, fifty-seven million, six hundred seventy-eight thousand, eight hundred sixty-three".