516403771 has 8 divisors (see below), whose sum is σ = 557388720. Its totient is φ = 475599072.

The previous prime is 516403759. The next prime is 516403777. The reversal of 516403771 is 177304615.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 516403771 - 2⁵ = 516403739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (516403777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39076 + ... + 50593.

It is an arithmetic number, because the mean of its divisors is an integer number (69673590).

Almost surely, 2^516403771 is an apocalyptic number.

516403771 is a deficient number, since it is larger than the sum of its proper divisors (40984949).

516403771 is a wasteful number, since it uses less digits than its factorization.

516403771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90125.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 516403771 is about 22724.5191588293. The cubic root of 516403771 is about 802.2870860451.

The spelling of 516403771 in words is "five hundred sixteen million, four hundred three thousand, seven hundred seventy-one".