252777502379 has 2 divisors, whose sum is σ = 252777502380. Its totient is φ = 252777502378.

The previous prime is 252777502337. The next prime is 252777502477. The reversal of 252777502379 is 973205777252.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252777502379 is a prime.

It is not a weakly prime, because it can be changed into another prime (252777502309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126388751189 + 126388751190.

It is an arithmetic number, because the mean of its divisors is an integer number (126388751190).

Almost surely, 2^252777502379 is an apocalyptic number.

252777502379 is a deficient number, since it is larger than the sum of its proper divisors (1).

252777502379 is an equidigital number, since it uses as much as digits as its factorization.

252777502379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12965400, while the sum is 56.

The spelling of 252777502379 in words is "two hundred fifty-two billion, seven hundred seventy-seven million, five hundred two thousand, three hundred seventy-nine".