7828087 has 2 divisors, whose sum is σ = 7828088. Its totient is φ = 7828086.

The previous prime is 7828049. The next prime is 7828091. The reversal of 7828087 is 7808287.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7828087 - 2⁷ = 7827959 is a prime.

It is a super-2 number, since 2×7828087² = 122557892159138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7828187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3914043 + 3914044.

It is an arithmetic number, because the mean of its divisors is an integer number (3914044).

Almost surely, 2^7828087 is an apocalyptic number.

7828087 is a deficient number, since it is larger than the sum of its proper divisors (1).

7828087 is an equidigital number, since it uses as much as digits as its factorization.

7828087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50176, while the sum is 40.

The square root of 7828087 is about 2797.8718698325. The cubic root of 7828087 is about 198.5570055404.

The spelling of 7828087 in words is "seven million, eight hundred twenty-eight thousand, eighty-seven".