252776087 has 4 divisors (see below), whose sum is σ = 254594760. Its totient is φ = 250957416.

The previous prime is 252776053. The next prime is 252776099. The reversal of 252776087 is 780677252.

It is a happy number.

252776087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 252776087 - 2⁶ = 252776023 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 (252776047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 909128 + ... + 909405.

It is an arithmetic number, because the mean of its divisors is an integer number (63648690).

Almost surely, 2^252776087 is an apocalyptic number.

252776087 is a deficient number, since it is larger than the sum of its proper divisors (1818673).

252776087 is a wasteful number, since it uses less digits than its factorization.

252776087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818672.

The product of its (nonzero) digits is 329280, while the sum is 44.

The square root of 252776087 is about 15898.9335176923. The cubic root of 252776087 is about 632.2837138491.

The spelling of 252776087 in words is "two hundred fifty-two million, seven hundred seventy-six thousand, eighty-seven".