520010056778 has 8 divisors (see below), whose sum is σ = 789888694080. Its totient is φ = 256713825420.

The previous prime is 520010056763. The next prime is 520010056831. The reversal of 520010056778 is 877650010025.

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

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, 1645601288 + ... + 1645601603.

It is an arithmetic number, because the mean of its divisors is an integer number (98736086760).

Almost surely, 2^520010056778 is an apocalyptic number.

520010056778 is a deficient number, since it is larger than the sum of its proper divisors (269878637302).

520010056778 is a wasteful number, since it uses less digits than its factorization.

520010056778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3291202972.

The product of its (nonzero) digits is 117600, while the sum is 41.

The spelling of 520010056778 in words is "five hundred twenty billion, ten million, fifty-six thousand, seven hundred seventy-eight".