2774375855 has 4 divisors (see below), whose sum is σ = 3329251032. Its totient is φ = 2219500680.

The previous prime is 2774375827. The next prime is 2774375881. The reversal of 2774375855 is 5585734772.

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

It is not a de Polignac number, because 2774375855 - 2⁸ = 2774375599 is a prime.

It is a super-2 number, since 2×2774375855² = 15394322769613962050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2774375797 and 2774375806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277437581 + ... + 277437590.

It is an arithmetic number, because the mean of its divisors is an integer number (832312758).

Almost surely, 2^2774375855 is an apocalyptic number.

2774375855 is a deficient number, since it is larger than the sum of its proper divisors (554875177).

2774375855 is an equidigital number, since it uses as much as digits as its factorization.

2774375855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554875176.

The product of its digits is 8232000, while the sum is 53.

The square root of 2774375855 is about 52672.3443089445. The cubic root of 2774375855 is about 1405.1470158509.

The spelling of 2774375855 in words is "two billion, seven hundred seventy-four million, three hundred seventy-five thousand, eight hundred fifty-five".