252777502417 has 16 divisors (see below), whose sum is σ = 282507704640. Its totient is φ = 224173350400.

The previous prime is 252777502379. The next prime is 252777502477. The reversal of 252777502417 is 714205777252.

It is a cyclic number.

It is not a de Polignac number, because 252777502417 - 2²³ = 252769113809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252777502477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8261934 + ... + 8292472.

It is an arithmetic number, because the mean of its divisors is an integer number (17656731540).

Almost surely, 2^252777502417 is an apocalyptic number.

It is an amenable number.

252777502417 is a deficient number, since it is larger than the sum of its proper divisors (29730202223).

252777502417 is a wasteful number, since it uses less digits than its factorization.

252777502417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48944.

The product of its (nonzero) digits is 1920800, while the sum is 49.

The spelling of 252777502417 in words is "two hundred fifty-two billion, seven hundred seventy-seven million, five hundred two thousand, four hundred seventeen".