1057777197 has 16 divisors (see below), whose sum is σ = 1425747840. Its totient is φ = 697536000.

The previous prime is 1057777183. The next prime is 1057777207. The reversal of 1057777197 is 7917777501.

It is not a de Polignac number, because 1057777197 - 2¹⁹ = 1057252909 is a prime.

It is a super-2 number, since 2×1057777197² = 2237785196986353618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057777157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104329 + ... + 114017.

It is an arithmetic number, because the mean of its divisors is an integer number (89109240).

Almost surely, 2^1057777197 is an apocalyptic number.

It is an amenable number.

1057777197 is a deficient number, since it is larger than the sum of its proper divisors (367970643).

1057777197 is a wasteful number, since it uses less digits than its factorization.

1057777197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10084.

The product of its (nonzero) digits is 756315, while the sum is 51.

The square root of 1057777197 is about 32523.4868518122. The cubic root of 1057777197 is about 1018.8996197527.

The spelling of 1057777197 in words is "one billion, fifty-seven million, seven hundred seventy-seven thousand, one hundred ninety-seven".