2102876680 has 32 divisors (see below), whose sum is σ = 4980499200. Its totient is φ = 796879296.

The previous prime is 2102876669. The next prime is 2102876701. The reversal of 2102876680 is 866782012.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1382712 + ... + 1384231.

It is an arithmetic number, because the mean of its divisors is an integer number (155640600).

Almost surely, 2^2102876680 is an apocalyptic number.

2102876680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102876680 is an abundant number, since it is smaller than the sum of its proper divisors (2877622520).

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

2102876680 is a wasteful number, since it uses less digits than its factorization.

2102876680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2766973 (or 2766969 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 2102876680 is about 45857.1333600346. The cubic root of 2102876680 is about 1281.1636309656.

The spelling of 2102876680 in words is "two billion, one hundred two million, eight hundred seventy-six thousand, six hundred eighty".