2666774862 has 48 divisors (see below), whose sum is σ = 5816622240. Its totient is φ = 883008000.

The previous prime is 2666774843. The next prime is 2666774879. The reversal of 2666774862 is 2684776662.

It is a super-2 number, since 2×2666774862² = 14223376329190238088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2666774799 and 2666774808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2219862 + ... + 2221062.

It is an arithmetic number, because the mean of its divisors is an integer number (121179630).

Almost surely, 2^2666774862 is an apocalyptic number.

2666774862 is an abundant number, since it is smaller than the sum of its proper divisors (3149847378).

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

2666774862 is a wasteful number, since it uses less digits than its factorization.

2666774862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1929 (or 1926 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 54.

The square root of 2666774862 is about 51640.8255356167. The cubic root of 2666774862 is about 1386.7413030612.

The spelling of 2666774862 in words is "two billion, six hundred sixty-six million, seven hundred seventy-four thousand, eight hundred sixty-two".