514778863708 has 12 divisors (see below), whose sum is σ = 900868131072. Its totient is φ = 257387969120.

The previous prime is 514778863661. The next prime is 514778863723. The reversal of 514778863708 is 807368877415.

It is a self number, because there is not a number n which added to its sum of digits gives 514778863708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 960741 + ... + 1397347.

It is an arithmetic number, because the mean of its divisors is an integer number (75072344256).

Almost surely, 2^514778863708 is an apocalyptic number.

It is an amenable number.

514778863708 is a deficient number, since it is larger than the sum of its proper divisors (386089267364).

514778863708 is a wasteful number, since it uses less digits than its factorization.

514778863708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731372 (or 731370 counting only the distinct ones).

The product of its (nonzero) digits is 63221760, while the sum is 64.

The spelling of 514778863708 in words is "five hundred fourteen billion, seven hundred seventy-eight million, eight hundred sixty-three thousand, seven hundred eight".