2667930856 has 8 divisors (see below), whose sum is σ = 5002370370. Its totient is φ = 1333965424.

The previous prime is 2667930827. The next prime is 2667930871. The reversal of 2667930856 is 6580397662.

It can be written as a sum of positive squares in only one way, i.e., 2597940900 + 69989956 = 50970^2 + 8366^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166745671 + ... + 166745686.

Almost surely, 2^2667930856 is an apocalyptic number.

It is an amenable number.

2667930856 is a deficient number, since it is larger than the sum of its proper divisors (2334439514).

2667930856 is a wasteful number, since it uses less digits than its factorization.

2667930856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333491363 (or 333491359 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 52.

The square root of 2667930856 is about 51652.0169596503. The cubic root of 2667930856 is about 1386.9416490637.

The spelling of 2667930856 in words is "two billion, six hundred sixty-seven million, nine hundred thirty thousand, eight hundred fifty-six".