505666676824 has 16 divisors (see below), whose sum is σ = 989347846320. Its totient is φ = 241840584480.

The previous prime is 505666676803. The next prime is 505666676843. The reversal of 505666676824 is 428676666505.

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, 1374094047 + ... + 1374094414.

It is an arithmetic number, because the mean of its divisors is an integer number (61834240395).

Almost surely, 2^505666676824 is an apocalyptic number.

It is an amenable number.

505666676824 is a deficient number, since it is larger than the sum of its proper divisors (483681169496).

505666676824 is a wasteful number, since it uses less digits than its factorization.

505666676824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2748188490 (or 2748188486 counting only the distinct ones).

The product of its (nonzero) digits is 87091200, while the sum is 61.

The spelling of 505666676824 in words is "five hundred five billion, six hundred sixty-six million, six hundred seventy-six thousand, eight hundred twenty-four".