7877617252 has 12 divisors (see below), whose sum is σ = 13790448000. Its totient is φ = 3937489256.

The previous prime is 7877617247. The next prime is 7877617289. The reversal of 7877617252 is 2527167787.

It is a self number, because there is not a number n which added to its sum of digits gives 7877617252.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316348 + ... + 340339.

It is an arithmetic number, because the mean of its divisors is an integer number (1149204000).

Almost surely, 2^7877617252 is an apocalyptic number.

It is an amenable number.

7877617252 is a deficient number, since it is larger than the sum of its proper divisors (5912830748).

7877617252 is a wasteful number, since it uses less digits than its factorization.

7877617252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659690 (or 659688 counting only the distinct ones).

The product of its digits is 2304960, while the sum is 52.

The square root of 7877617252 is about 88755.9420658696. The cubic root of 7877617252 is about 1989.7489857880.

The spelling of 7877617252 in words is "seven billion, eight hundred seventy-seven million, six hundred seventeen thousand, two hundred fifty-two".