1057605878 has 16 divisors (see below), whose sum is σ = 1813703424. Its totient is φ = 453093480.

The previous prime is 1057605877. The next prime is 1057605881. The reversal of 1057605878 is 8785067501.

It is a happy number.

It is a super-2 number, since 2×1057605878² = 2237060386360301768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057605877) 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, 30623 + ... + 55253.

It is an arithmetic number, because the mean of its divisors is an integer number (113356464).

Almost surely, 2^1057605878 is an apocalyptic number.

1057605878 is a deficient number, since it is larger than the sum of its proper divisors (756097546).

1057605878 is a wasteful number, since it uses less digits than its factorization.

1057605878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27707.

The product of its (nonzero) digits is 470400, while the sum is 47.

The square root of 1057605878 is about 32520.8529715935. The cubic root of 1057605878 is about 1018.8446093374.

The spelling of 1057605878 in words is "one billion, fifty-seven million, six hundred five thousand, eight hundred seventy-eight".