1057763860 has 12 divisors (see below), whose sum is σ = 2221304148. Its totient is φ = 423105536.

The previous prime is 1057763821. The next prime is 1057763867. The reversal of 1057763860 is 683677501.

It can be written as a sum of positive squares in 2 ways, for example, as 331676944 + 726086916 = 18212^2 + 26946^2 .

It is a super-2 number, since 2×1057763860² = 2237728767044199200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057763867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26444077 + ... + 26444116.

It is an arithmetic number, because the mean of its divisors is an integer number (185108679).

Almost surely, 2^1057763860 is an apocalyptic number.

1057763860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1057763860 is an abundant number, since it is smaller than the sum of its proper divisors (1163540288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1057763860 is a wasteful number, since it uses less digits than its factorization.

1057763860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52888202 (or 52888200 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 1057763860 is about 32523.2818147247. The cubic root of 1057763860 is about 1018.8953374642.

The spelling of 1057763860 in words is "one billion, fifty-seven million, seven hundred sixty-three thousand, eight hundred sixty".