513902879 has 8 divisors (see below), whose sum is σ = 603191328. Its totient is φ = 428582880.

The previous prime is 513902867. The next prime is 513902927. The reversal of 513902879 is 978209315.

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

It is a cyclic number.

It is not a de Polignac number, because 513902879 - 2⁴ = 513902863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513904879) 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, 991832 + ... + 992349.

It is an arithmetic number, because the mean of its divisors is an integer number (75398916).

Almost surely, 2^513902879 is an apocalyptic number.

513902879 is a deficient number, since it is larger than the sum of its proper divisors (89288449).

513902879 is a wasteful number, since it uses less digits than its factorization.

513902879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1984225.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 513902879 is about 22669.4260844866. The cubic root of 513902879 is about 800.9898575349.

The spelling of 513902879 in words is "five hundred thirteen million, nine hundred two thousand, eight hundred seventy-nine".