2796078421 has 8 divisors (see below), whose sum is σ = 2918608704. Its totient is φ = 2673628320.

The previous prime is 2796078391. The next prime is 2796078431. The reversal of 2796078421 is 1248706972.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2796078421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2796078431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57681 + ... + 94441.

It is an arithmetic number, because the mean of its divisors is an integer number (364826088).

Almost surely, 2^2796078421 is an apocalyptic number.

It is an amenable number.

2796078421 is a deficient number, since it is larger than the sum of its proper divisors (122530283).

2796078421 is a wasteful number, since it uses less digits than its factorization.

2796078421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40091.

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 2796078421 is about 52877.9577990678. The cubic root of 2796078421 is about 1408.8014261509.

The spelling of 2796078421 in words is "two billion, seven hundred ninety-six million, seventy-eight thousand, four hundred twenty-one".