252020887779 has 8 divisors (see below), whose sum is σ = 336037077072. Its totient is φ = 168009311840.

The previous prime is 252020887777. The next prime is 252020887793. The reversal of 252020887779 is 977788020252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 252020887779 - 2¹ = 252020887777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252020887777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1023792 + ... + 1245869.

It is an arithmetic number, because the mean of its divisors is an integer number (42004634634).

Almost surely, 2^252020887779 is an apocalyptic number.

252020887779 is a deficient number, since it is larger than the sum of its proper divisors (84016189293).

252020887779 is a wasteful number, since it uses less digits than its factorization.

252020887779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2306677.

The product of its (nonzero) digits is 7902720, while the sum is 57.

The spelling of 252020887779 in words is "two hundred fifty-two billion, twenty million, eight hundred eighty-seven thousand, seven hundred seventy-nine".