252780552777 has 12 divisors (see below), whose sum is σ = 358032894896. Its totient is φ = 158607405120.

The previous prime is 252780552763. The next prime is 252780552803. The reversal of 252780552777 is 777255087252.

252780552777 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 252780552777 - 2²⁸ = 252512117321 is a prime.

It is a super-4 number, since 4×252780552777⁴ (a number of 47 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252780552677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145777999 + ... + 145779732.

Almost surely, 2^252780552777 is an apocalyptic number.

It is an amenable number.

252780552777 is a deficient number, since it is larger than the sum of its proper divisors (105252342119).

252780552777 is a wasteful number, since it uses less digits than its factorization.

252780552777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291557768 (or 291557751 counting only the distinct ones).

The product of its (nonzero) digits is 19208000, while the sum is 57.

The spelling of 252780552777 in words is "two hundred fifty-two billion, seven hundred eighty million, five hundred fifty-two thousand, seven hundred seventy-seven".