252780000507 has 20 divisors (see below), whose sum is σ = 397483823880. Its totient is φ = 159650525664.

The previous prime is 252780000503. The next prime is 252780000527. The reversal of 252780000507 is 705000087252.

252780000507 is a `hidden beast` number, since 2 + 527 + 80 + 0 + 0 + 0 + 50 + 7 = 666.

It is not a de Polignac number, because 252780000507 - 2² = 252780000503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252780000503) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 82123218 + ... + 82126295.

It is an arithmetic number, because the mean of its divisors is an integer number (19874191194).

Almost surely, 2^252780000507 is an apocalyptic number.

252780000507 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

252780000507 is a deficient number, since it is larger than the sum of its proper divisors (144703823373).

252780000507 is a wasteful number, since it uses less digits than its factorization.

252780000507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164249544 (or 164249535 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

Adding to 252780000507 its reverse (705000087252), we get a palindrome (957780087759).

The spelling of 252780000507 in words is "two hundred fifty-two billion, seven hundred eighty million, five hundred seven", and thus it is an aban number.