512801678 has 48 divisors (see below), whose sum is σ = 853146000. Its totient is φ = 230382720.

The previous prime is 512801599. The next prime is 512801683. The reversal of 512801678 is 876108215.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3441548 + ... + 3441696.

It is an arithmetic number, because the mean of its divisors is an integer number (17773875).

Almost surely, 2^512801678 is an apocalyptic number.

512801678 is a deficient number, since it is larger than the sum of its proper divisors (340344322).

512801678 is a wasteful number, since it uses less digits than its factorization.

512801678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305 (or 258 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 38.

The square root of 512801678 is about 22645.1248174966. The cubic root of 512801678 is about 800.4173228892.

The spelling of 512801678 in words is "five hundred twelve million, eight hundred one thousand, six hundred seventy-eight".