512802878 has 16 divisors (see below), whose sum is σ = 895678560. Its totient is φ = 215625696.

The previous prime is 512802877. The next prime is 512802883. The reversal of 512802878 is 878208215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512802877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344813 + ... + 346296.

It is an arithmetic number, because the mean of its divisors is an integer number (55979910).

Almost surely, 2^512802878 is an apocalyptic number.

512802878 is a deficient number, since it is larger than the sum of its proper divisors (382875682).

512802878 is a wasteful number, since it uses less digits than its factorization.

512802878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691171.

The product of its (nonzero) digits is 71680, while the sum is 41.

The square root of 512802878 is about 22645.1513132503. The cubic root of 512802878 is about 800.4179472371.

The spelling of 512802878 in words is "five hundred twelve million, eight hundred two thousand, eight hundred seventy-eight".