507231259978 has 8 divisors (see below), whose sum is σ = 765402859872. Its totient is φ = 252096973356.

The previous prime is 507231259939. The next prime is 507231260009. The reversal of 507231259978 is 879952132705.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 759327900 + ... + 759328567.

It is an arithmetic number, because the mean of its divisors is an integer number (95675357484).

Almost surely, 2^507231259978 is an apocalyptic number.

507231259978 is a deficient number, since it is larger than the sum of its proper divisors (258171599894).

507231259978 is a wasteful number, since it uses less digits than its factorization.

507231259978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518656636.

The product of its (nonzero) digits is 9525600, while the sum is 58.

The spelling of 507231259978 in words is "five hundred seven billion, two hundred thirty-one million, two hundred fifty-nine thousand, nine hundred seventy-eight".