2087791320 has 32 divisors (see below), whose sum is σ = 6263374320. Its totient is φ = 556744320.

The previous prime is 2087791309. The next prime is 2087791327. The reversal of 2087791320 is 231977802.

2087791320 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2087791327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8699011 + ... + 8699250.

Almost surely, 2^2087791320 is an apocalyptic number.

2087791320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2087791320 is an abundant number, since it is smaller than the sum of its proper divisors (4175583000).

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

2087791320 is a wasteful number, since it uses less digits than its factorization.

2087791320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17398275 (or 17398271 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 2087791320 is about 45692.3551592605. The cubic root of 2087791320 is about 1278.0927242364.

The spelling of 2087791320 in words is "two billion, eighty-seven million, seven hundred ninety-one thousand, three hundred twenty".