2979896025278 has 4 divisors (see below), whose sum is σ = 4469844037920. Its totient is φ = 1489948012638.

The previous prime is 2979896025259. The next prime is 2979896025283. The reversal of 2979896025278 is 8725206989792.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 744974006318 + ... + 744974006321.

It is an arithmetic number, because the mean of its divisors is an integer number (1117461009480).

Almost surely, 2^{2979896025278} is an apocalyptic number.

2979896025278 is a deficient number, since it is larger than the sum of its proper divisors (1489948012642).

2979896025278 is a wasteful number, since it uses less digits than its factorization.

2979896025278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489948012641.

The product of its (nonzero) digits is 548674560, while the sum is 74.

The spelling of 2979896025278 in words is "two trillion, nine hundred seventy-nine billion, eight hundred ninety-six million, twenty-five thousand, two hundred seventy-eight".