7949557268 has 12 divisors (see below), whose sum is σ = 13927002432. Its totient is φ = 3970413720.

The previous prime is 7949557247. The next prime is 7949557279. The reversal of 7949557268 is 8627559497.

It is a self number, because there is not a number n which added to its sum of digits gives 7949557268.

It is a congruent number.

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, 1087130 + ... + 1094417.

It is an arithmetic number, because the mean of its divisors is an integer number (1160583536).

Almost surely, 2^7949557268 is an apocalyptic number.

It is an amenable number.

7949557268 is a deficient number, since it is larger than the sum of its proper divisors (5977445164).

7949557268 is a wasteful number, since it uses less digits than its factorization.

7949557268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2182462 (or 2182460 counting only the distinct ones).

The product of its digits is 38102400, while the sum is 62.

The square root of 7949557268 is about 89160.2897482955. The cubic root of 7949557268 is about 1995.7875729582.

The spelling of 7949557268 in words is "seven billion, nine hundred forty-nine million, five hundred fifty-seven thousand, two hundred sixty-eight".