2677666620 has 48 divisors (see below), whose sum is σ = 7624552320. Its totient is φ = 701941056.

The previous prime is 2677666613. The next prime is 2677666639. The reversal of 2677666620 is 266667762.

It is a self number, because there is not a number n which added to its sum of digits gives 2677666620.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 374662 + ... + 381741.

It is an arithmetic number, because the mean of its divisors is an integer number (158844840).

Almost surely, 2^2677666620 is an apocalyptic number.

2677666620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2677666620 is an abundant number, since it is smaller than the sum of its proper divisors (4946885700).

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

2677666620 is a wasteful number, since it uses less digits than its factorization.

2677666620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756474 (or 756472 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 48.

The square root of 2677666620 is about 51746.1749311000. The cubic root of 2677666620 is about 1388.6266683581.

The spelling of 2677666620 in words is "two billion, six hundred seventy-seven million, six hundred sixty-six thousand, six hundred twenty".