7790087 has 2 divisors, whose sum is σ = 7790088. Its totient is φ = 7790086.

The previous prime is 7790051. The next prime is 7790089. The reversal of 7790087 is 7800977.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7790087 - 2¹⁶ = 7724551 is a prime.

Together with 7790089, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7790087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7790089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3895043 + 3895044.

It is an arithmetic number, because the mean of its divisors is an integer number (3895044).

Almost surely, 2^7790087 is an apocalyptic number.

7790087 is a deficient number, since it is larger than the sum of its proper divisors (1).

7790087 is an equidigital number, since it uses as much as digits as its factorization.

7790087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24696, while the sum is 38.

The square root of 7790087 is about 2791.0727328395. The cubic root of 7790087 is about 198.2351981770.

The spelling of 7790087 in words is "seven million, seven hundred ninety thousand, eighty-seven".