2279680851 has 24 divisors (see below), whose sum is σ = 3585648384. Its totient is φ = 1284321360.

The previous prime is 2279680849. The next prime is 2279680859. The reversal of 2279680851 is 1580869722.

2279680851 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2279680851 - 2¹ = 2279680849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2279680851.

It is not an unprimeable number, because it can be changed into a prime (2279680859) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98775 + ... + 119648.

It is an arithmetic number, because the mean of its divisors is an integer number (149402016).

Almost surely, 2^2279680851 is an apocalyptic number.

2279680851 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2279680851 is a deficient number, since it is larger than the sum of its proper divisors (1305967533).

2279680851 is a wasteful number, since it uses less digits than its factorization.

2279680851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218511 (or 218504 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 48.

The square root of 2279680851 is about 47746.0035081472. The cubic root of 2279680851 is about 1316.1074587821.

The spelling of 2279680851 in words is "two billion, two hundred seventy-nine million, six hundred eighty thousand, eight hundred fifty-one".