252367506878399 has 16 divisors (see below), whose sum is σ = 289887640990080. Its totient is φ = 217284281105760.

The previous prime is 252367506878387. The next prime is 252367506878401. The reversal of 252367506878399 is 993878605763252.

It is a happy number.

It is not a de Polignac number, because 252367506878399 - 2¹² = 252367506874303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252367506878359) 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, 181876124 + ... + 183258449.

It is an arithmetic number, because the mean of its divisors is an integer number (18117977561880).

Almost surely, 2^{252367506878399} is an apocalyptic number.

252367506878399 is a deficient number, since it is larger than the sum of its proper divisors (37520134111681).

252367506878399 is a wasteful number, since it uses less digits than its factorization.

252367506878399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365137910.

The product of its (nonzero) digits is 8230118400, while the sum is 80.

The spelling of 252367506878399 in words is "two hundred fifty-two trillion, three hundred sixty-seven billion, five hundred six million, eight hundred seventy-eight thousand, three hundred ninety-nine".