6579520854 has 16 divisors (see below), whose sum is σ = 13160102592. Its totient is φ = 2192996808.

The previous prime is 6579520847. The next prime is 6579520867. The reversal of 6579520854 is 4580259756.

It is a junction number, because it is equal to n+sod(n) for n = 6579520797 and 6579520806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52797 + ... + 126279.

It is an arithmetic number, because the mean of its divisors is an integer number (822506412).

Almost surely, 2^6579520854 is an apocalyptic number.

6579520854 is an abundant number, since it is smaller than the sum of its proper divisors (6580581738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6579520854 is a wasteful number, since it uses less digits than its factorization.

6579520854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88411.

The product of its (nonzero) digits is 3024000, while the sum is 51.

The square root of 6579520854 is about 81114.2456908773. The cubic root of 6579520854 is about 1873.8353280463.

The spelling of 6579520854 in words is "six billion, five hundred seventy-nine million, five hundred twenty thousand, eight hundred fifty-four".