2796857855 has 16 divisors (see below), whose sum is σ = 3854044800. Its totient is φ = 1927020960.

The previous prime is 2796857827. The next prime is 2796857857. The reversal of 2796857855 is 5587586972.

It is a de Polignac number, because none of the positive numbers 2^k-2796857855 is a prime.

It is a super-2 number, since 2×2796857855² = 15644827722150402050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2796857857) 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, 1337165 + ... + 1339254.

It is an arithmetic number, because the mean of its divisors is an integer number (240877800).

Almost surely, 2^2796857855 is an apocalyptic number.

2796857855 is a deficient number, since it is larger than the sum of its proper divisors (1057186945).

2796857855 is a wasteful number, since it uses less digits than its factorization.

2796857855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2676454.

The product of its digits is 42336000, while the sum is 62.

The square root of 2796857855 is about 52885.3274075145. The cubic root of 2796857855 is about 1408.9323196797.

The spelling of 2796857855 in words is "two billion, seven hundred ninety-six million, eight hundred fifty-seven thousand, eight hundred fifty-five".