8140087 has 2 divisors, whose sum is σ = 8140088. Its totient is φ = 8140086.

The previous prime is 8140063. The next prime is 8140103. The reversal of 8140087 is 7800418.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8140087 - 2⁷ = 8139959 is a prime.

It is a super-2 number, since 2×8140087² = 132522032735138, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8140687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4070043 + 4070044.

It is an arithmetic number, because the mean of its divisors is an integer number (4070044).

Almost surely, 2^8140087 is an apocalyptic number.

8140087 is a deficient number, since it is larger than the sum of its proper divisors (1).

8140087 is an equidigital number, since it uses as much as digits as its factorization.

8140087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 8140087 is about 2853.0837702388. The cubic root of 8140087 is about 201.1606431747.

The spelling of 8140087 in words is "eight million, one hundred forty thousand, eighty-seven".