2795276978 has 32 divisors (see below), whose sum is σ = 4553902080. Its totient is φ = 1279189440.

The previous prime is 2795276971. The next prime is 2795277007. The reversal of 2795276978 is 8796725972.

It is a self number, because there is not a number n which added to its sum of digits gives 2795276978.

It is not an unprimeable number, because it can be changed into a prime (2795276971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1931051 + ... + 1932497.

It is an arithmetic number, because the mean of its divisors is an integer number (142309440).

Almost surely, 2^2795276978 is an apocalyptic number.

2795276978 is a deficient number, since it is larger than the sum of its proper divisors (1758625102).

2795276978 is a wasteful number, since it uses less digits than its factorization.

2795276978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042.

The product of its digits is 26671680, while the sum is 62.

The square root of 2795276978 is about 52870.3790226626. The cubic root of 2795276978 is about 1408.6668111932. Note that the first 3 decimals are identical.

The spelling of 2795276978 in words is "two billion, seven hundred ninety-five million, two hundred seventy-six thousand, nine hundred seventy-eight".