2087940807 has 24 divisors (see below), whose sum is σ = 3171692160. Its totient is φ = 1372344120.

The previous prime is 2087940791. The next prime is 2087940847. The reversal of 2087940807 is 7080497802.

It is not a de Polignac number, because 2087940807 - 2⁴ = 2087940791 is a prime.

It is a super-2 number, since 2×2087940807² = 8718993627071622498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2087940847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43257 + ... + 77762.

It is an arithmetic number, because the mean of its divisors is an integer number (132153840).

Almost surely, 2^2087940807 is an apocalyptic number.

2087940807 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2087940807 is a deficient number, since it is larger than the sum of its proper divisors (1083751353).

2087940807 is an equidigital number, since it uses as much as digits as its factorization.

2087940807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121105 (or 121093 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 2087940807 is about 45693.9909287862. The cubic root of 2087940807 is about 1278.1232275544.

The spelling of 2087940807 in words is "two billion, eighty-seven million, nine hundred forty thousand, eight hundred seven".