516779461 has 16 divisors (see below), whose sum is σ = 607242240. Its totient is φ = 434715120.

The previous prime is 516779453. The next prime is 516779467. The reversal of 516779461 is 164977615.

It is a cyclic number.

It is not a de Polignac number, because 516779461 - 2³ = 516779453 is a prime.

It is a super-2 number, since 2×516779461² = 534122022622901042, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516779467) 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, 19765 + ... + 37738.

It is an arithmetic number, because the mean of its divisors is an integer number (37952640).

Almost surely, 2^516779461 is an apocalyptic number.

It is an amenable number.

516779461 is a deficient number, since it is larger than the sum of its proper divisors (90462779).

516779461 is a wasteful number, since it uses less digits than its factorization.

516779461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57576.

The product of its digits is 317520, while the sum is 46.

The square root of 516779461 is about 22732.7838374450. The cubic root of 516779461 is about 802.4815967416.

It can be divided in two parts, 516 and 779461, that added together give a palindrome (779977).

The spelling of 516779461 in words is "five hundred sixteen million, seven hundred seventy-nine thousand, four hundred sixty-one".