2779871054 has 4 divisors (see below), whose sum is σ = 4169806584. Its totient is φ = 1389935526.

The previous prime is 2779871047. The next prime is 2779871069. The reversal of 2779871054 is 4501789772.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 2779870993 and 2779871011.

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, 694967762 + ... + 694967765.

It is an arithmetic number, because the mean of its divisors is an integer number (1042451646).

Almost surely, 2^2779871054 is an apocalyptic number.

2779871054 is a deficient number, since it is larger than the sum of its proper divisors (1389935530).

2779871054 is a wasteful number, since it uses less digits than its factorization.

2779871054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389935529.

The product of its (nonzero) digits is 987840, while the sum is 50.

The square root of 2779871054 is about 52724.4824915333. The cubic root of 2779871054 is about 1406.0741276838.

The spelling of 2779871054 in words is "two billion, seven hundred seventy-nine million, eight hundred seventy-one thousand, fifty-four".