2113786680 has 32 divisors (see below), whose sum is σ = 6341360400. Its totient is φ = 563676416.

The previous prime is 2113786643. The next prime is 2113786699. The reversal of 2113786680 is 866873112.

It is a super-3 number, since 3×2113786680³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

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, 8807325 + ... + 8807564.

Almost surely, 2^2113786680 is an apocalyptic number.

2113786680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2113786680 is an abundant number, since it is smaller than the sum of its proper divisors (4227573720).

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

2113786680 is a wasteful number, since it uses less digits than its factorization.

2113786680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17614903 (or 17614899 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 2113786680 is about 45975.9358795446. The cubic root of 2113786680 is about 1283.3754253168.

The spelling of 2113786680 in words is "two billion, one hundred thirteen million, seven hundred eighty-six thousand, six hundred eighty".