520678892 has 6 divisors (see below), whose sum is σ = 911188068. Its totient is φ = 260339444.

The previous prime is 520678891. The next prime is 520678897. The reversal of 520678892 is 298876025.

It is a super-2 number, since 2×520678892² = 542213017148695328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (520678891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65084858 + ... + 65084865.

It is an arithmetic number, because the mean of its divisors is an integer number (151864678).

Almost surely, 2^520678892 is an apocalyptic number.

It is an amenable number.

520678892 is a deficient number, since it is larger than the sum of its proper divisors (390509176).

520678892 is a wasteful number, since it uses less digits than its factorization.

520678892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130169727 (or 130169725 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 520678892 is about 22818.3893384261. The cubic root of 520678892 is about 804.4949531933.

The spelling of 520678892 in words is "five hundred twenty million, six hundred seventy-eight thousand, eight hundred ninety-two".