507878477368 has 32 divisors (see below), whose sum is σ = 966847491360. Its totient is φ = 250063511040.

The previous prime is 507878477357. The next prime is 507878477429. The reversal of 507878477368 is 863774878705.

It is a junction number, because it is equal to n+sod(n) for n = 507878477297 and 507878477306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320605 + ... + 1057612.

It is an arithmetic number, because the mean of its divisors is an integer number (30213984105).

Almost surely, 2^507878477368 is an apocalyptic number.

It is an amenable number.

507878477368 is a deficient number, since it is larger than the sum of its proper divisors (458969013992).

507878477368 is a wasteful number, since it uses less digits than its factorization.

507878477368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378927 (or 1378923 counting only the distinct ones).

The product of its (nonzero) digits is 442552320, while the sum is 70.

The spelling of 507878477368 in words is "five hundred seven billion, eight hundred seventy-eight million, four hundred seventy-seven thousand, three hundred sixty-eight".