2279671686 has 24 divisors (see below), whose sum is σ = 4950557040. Its totient is φ = 758156976.

The previous prime is 2279671663. The next prime is 2279671697. The reversal of 2279671686 is 6861769722.

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, 136345 + ... + 152148.

It is an arithmetic number, because the mean of its divisors is an integer number (206273210).

Almost surely, 2^2279671686 is an apocalyptic number.

2279671686 is an abundant number, since it is smaller than the sum of its proper divisors (2670885354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2279671686 is a wasteful number, since it uses less digits than its factorization.

2279671686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288940 (or 288937 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The square root of 2279671686 is about 47745.9075314314. The cubic root of 2279671686 is about 1316.1056950643.

The spelling of 2279671686 in words is "two billion, two hundred seventy-nine million, six hundred seventy-one thousand, six hundred eighty-six".