520779370 has 16 divisors (see below), whose sum is σ = 943613568. Its totient is φ = 206931600.

The previous prime is 520779359. The next prime is 520779373. The reversal of 520779370 is 73977025.

It is a super-2 number, since 2×520779370² = 542422304435193800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (520779373) 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, 170934 + ... + 173953.

It is an arithmetic number, because the mean of its divisors is an integer number (58975848).

Almost surely, 2^520779370 is an apocalyptic number.

520779370 is a deficient number, since it is larger than the sum of its proper divisors (422834198).

520779370 is a wasteful number, since it uses less digits than its factorization.

520779370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345045.

The product of its (nonzero) digits is 92610, while the sum is 40.

The square root of 520779370 is about 22820.5909213587. The cubic root of 520779370 is about 804.5466989980.

The spelling of 520779370 in words is "five hundred twenty million, seven hundred seventy-nine thousand, three hundred seventy".