7699021220087 has 2 divisors, whose sum is σ = 7699021220088. Its totient is φ = 7699021220086.

The previous prime is 7699021219999. The next prime is 7699021220123. The reversal of 7699021220087 is 7800221209967.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7699021220087 - 2²⁸ = 7698752784631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7699029220087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3849510610043 + 3849510610044.

It is an arithmetic number, because the mean of its divisors is an integer number (3849510610044).

Almost surely, 2^{7699021220087} is an apocalyptic number.

7699021220087 is a deficient number, since it is larger than the sum of its proper divisors (1).

7699021220087 is an equidigital number, since it uses as much as digits as its factorization.

7699021220087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1524096, while the sum is 53.

The spelling of 7699021220087 in words is "seven trillion, six hundred ninety-nine billion, twenty-one million, two hundred twenty thousand, eighty-seven".