2775623854 has 24 divisors (see below), whose sum is σ = 4581428040. Its totient is φ = 1257596208.

The previous prime is 2775623849. The next prime is 2775623861. The reversal of 2775623854 is 4583265772.

It is a junction number, because it is equal to n+sod(n) for n = 2775623798 and 2775623807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48937 + ... + 89140.

It is an arithmetic number, because the mean of its divisors is an integer number (190892835).

Almost surely, 2^2775623854 is an apocalyptic number.

2775623854 is a deficient number, since it is larger than the sum of its proper divisors (1805804186).

2775623854 is a wasteful number, since it uses less digits than its factorization.

2775623854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138144 (or 138121 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 49.

The square root of 2775623854 is about 52684.1897916253. The cubic root of 2775623854 is about 1405.3576769490.

The spelling of 2775623854 in words is "two billion, seven hundred seventy-five million, six hundred twenty-three thousand, eight hundred fifty-four".