2807940087 has 48 divisors (see below), whose sum is σ = 4277145600. Its totient is φ = 1840644000.

The previous prime is 2807940043. The next prime is 2807940131. The reversal of 2807940087 is 7800497082.

It is an interprime number because it is at equal distance from previous prime (2807940043) and next prime (2807940131).

It is not a de Polignac number, because 2807940087 - 2⁸ = 2807939831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2807940007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4687414 + ... + 4688012.

It is an arithmetic number, because the mean of its divisors is an integer number (89107200).

Almost surely, 2^2807940087 is an apocalyptic number.

2807940087 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2807940087 is a deficient number, since it is larger than the sum of its proper divisors (1469205513).

2807940087 is a wasteful number, since it uses less digits than its factorization.

2807940087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906 (or 894 counting only the distinct ones).

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

The square root of 2807940087 is about 52989.9998773353. Note that the first 3 decimals coincide. The cubic root of 2807940087 is about 1410.7907786925.

The spelling of 2807940087 in words is "two billion, eight hundred seven million, nine hundred forty thousand, eighty-seven".