513708078 has 32 divisors (see below), whose sum is σ = 1114547616. Its totient is φ = 156907008.

The previous prime is 513708053. The next prime is 513708127. The reversal of 513708078 is 870807315.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13351 + ... + 34722.

It is an arithmetic number, because the mean of its divisors is an integer number (34829613).

Almost surely, 2^513708078 is an apocalyptic number.

513708078 is an abundant number, since it is smaller than the sum of its proper divisors (600839538).

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

513708078 is a wasteful number, since it uses less digits than its factorization.

513708078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48228.

The product of its (nonzero) digits is 47040, while the sum is 39.

The square root of 513708078 is about 22665.1291194204. The cubic root of 513708078 is about 800.8886364993. Note that the first 3 decimals are identical.

The spelling of 513708078 in words is "five hundred thirteen million, seven hundred eight thousand, seventy-eight".