252939466678 has 4 divisors (see below), whose sum is σ = 379409200020. Its totient is φ = 126469733338.

The previous prime is 252939466657. The next prime is 252939466687. The reversal of 252939466678 is 876664939252.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63234866668 + ... + 63234866671.

It is an arithmetic number, because the mean of its divisors is an integer number (94852300005).

Almost surely, 2^252939466678 is an apocalyptic number.

252939466678 is a deficient number, since it is larger than the sum of its proper divisors (126469733342).

252939466678 is a wasteful number, since it uses less digits than its factorization.

252939466678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126469733341.

The product of its digits is 235146240, while the sum is 67.

The spelling of 252939466678 in words is "two hundred fifty-two billion, nine hundred thirty-nine million, four hundred sixty-six thousand, six hundred seventy-eight".