505277976 has 32 divisors (see below), whose sum is σ = 1443651840. Its totient is φ = 144365088.

The previous prime is 505277953. The next prime is 505278013. The reversal of 505277976 is 679772505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1503636 + ... + 1503971.

It is an arithmetic number, because the mean of its divisors is an integer number (45114120).

Almost surely, 2^505277976 is an apocalyptic number.

505277976 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

505277976 is an abundant number, since it is smaller than the sum of its proper divisors (938373864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505277976 is a wasteful number, since it uses less digits than its factorization.

505277976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3007623 (or 3007619 counting only the distinct ones).

The product of its (nonzero) digits is 926100, while the sum is 48.

The square root of 505277976 is about 22478.3890881887. The cubic root of 505277976 is about 796.4835113658.

It can be divided in two parts, 5052 and 77976, that added together give a triangular number (83028 = T₄₀₇).

The spelling of 505277976 in words is "five hundred five million, two hundred seventy-seven thousand, nine hundred seventy-six".