520199774 has 8 divisors (see below), whose sum is σ = 780609960. Its totient is φ = 259996456.

The previous prime is 520199741. The next prime is 520199789. The reversal of 520199774 is 477991025.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45269 + ... + 55584.

It is an arithmetic number, because the mean of its divisors is an integer number (97576245).

Almost surely, 2^520199774 is an apocalyptic number.

520199774 is a deficient number, since it is larger than the sum of its proper divisors (260410186).

520199774 is a wasteful number, since it uses less digits than its factorization.

520199774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103434.

The product of its (nonzero) digits is 158760, while the sum is 44.

The square root of 520199774 is about 22807.8884160722. Note that the first 3 decimals coincide. The cubic root of 520199774 is about 804.2481175674.

The spelling of 520199774 in words is "five hundred twenty million, one hundred ninety-nine thousand, seven hundred seventy-four".