57894615769 has 9 divisors (see below), whose sum is σ = 59967049597. Its totient is φ = 55891512544.

The previous prime is 57894615749. The next prime is 57894615803. The reversal of 57894615769 is 96751649875.

The square root of 57894615769 is 240613.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 25282590025 + 32612025744 = 159005^2 + 180588^2 .

It is not a de Polignac number, because 57894615769 - 2³³ = 49304681177 is a prime.

It is a super-2 number, since 2×57894615769² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57894615749) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6973629 + ... + 6981925.

Almost surely, 2^57894615769 is an apocalyptic number.

57894615769 is the 240613-rd square number.

57894615769 is the 120307-th centered octagonal number.

It is an amenable number.

57894615769 is a deficient number, since it is larger than the sum of its proper divisors (2072433828).

57894615769 is an frugal number, since it uses more digits than its factorization.

57894615769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16652 (or 8326 counting only the distinct ones).

The product of its digits is 114307200, while the sum is 67.

The spelling of 57894615769 in words is "fifty-seven billion, eight hundred ninety-four million, six hundred fifteen thousand, seven hundred sixty-nine".