2087620188 has 24 divisors (see below), whose sum is σ = 4932775680. Its totient is φ = 687064560.

The previous prime is 2087620177. The next prime is 2087620217. The reversal of 2087620188 is 8810267802.

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, 1100118 + ... + 1102013.

It is an arithmetic number, because the mean of its divisors is an integer number (205532320).

Almost surely, 2^2087620188 is an apocalyptic number.

It is an amenable number.

2087620188 is an abundant number, since it is smaller than the sum of its proper divisors (2845155492).

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

2087620188 is a wasteful number, since it uses less digits than its factorization.

2087620188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2202217 (or 2202215 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 42.

The square root of 2087620188 is about 45690.4824662642. The cubic root of 2087620188 is about 1278.0578023969.

The spelling of 2087620188 in words is "two billion, eighty-seven million, six hundred twenty thousand, one hundred eighty-eight".