2086655980 has 24 divisors (see below), whose sum is σ = 4383554112. Its totient is φ = 834362112.

The previous prime is 2086655971. The next prime is 2086655999. The reversal of 2086655980 is 895566802.

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, 43204 + ... + 77716.

It is an arithmetic number, because the mean of its divisors is an integer number (182648088).

Almost surely, 2^2086655980 is an apocalyptic number.

2086655980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2086655980 is an abundant number, since it is smaller than the sum of its proper divisors (2296898132).

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

2086655980 is a wasteful number, since it uses less digits than its factorization.

2086655980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37545 (or 37543 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 49.

The square root of 2086655980 is about 45679.9297284924. The cubic root of 2086655980 is about 1277.8610068086.

The spelling of 2086655980 in words is "two billion, eighty-six million, six hundred fifty-five thousand, nine hundred eighty".