252677610861 has 8 divisors (see below), whose sum is σ = 362819133600. Its totient is φ = 155493914352.

The previous prime is 252677610839. The next prime is 252677610869. The reversal of 252677610861 is 168016776252.

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

It is not a de Polignac number, because 252677610861 - 2¹⁵ = 252677578093 is a prime.

It is a super-2 number, since 2×252677610861² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252677610869) 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, 3239456511 + ... + 3239456588.

It is an arithmetic number, because the mean of its divisors is an integer number (45352391700).

Almost surely, 2^252677610861 is an apocalyptic number.

It is an amenable number.

252677610861 is a deficient number, since it is larger than the sum of its proper divisors (110141522739).

252677610861 is a wasteful number, since it uses less digits than its factorization.

252677610861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6478913115.

The product of its (nonzero) digits is 1693440, while the sum is 51.

The spelling of 252677610861 in words is "two hundred fifty-two billion, six hundred seventy-seven million, six hundred ten thousand, eight hundred sixty-one".