7899010099087 has 2 divisors, whose sum is σ = 7899010099088. Its totient is φ = 7899010099086.

The previous prime is 7899010099033. The next prime is 7899010099109. The reversal of 7899010099087 is 7809900109987.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7899010099087 - 2³⁹ = 7349254285199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7899010091087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3949505049543 + 3949505049544.

It is an arithmetic number, because the mean of its divisors is an integer number (3949505049544).

Almost surely, 2^{7899010099087} is an apocalyptic number.

7899010099087 is a deficient number, since it is larger than the sum of its proper divisors (1).

7899010099087 is an equidigital number, since it uses as much as digits as its factorization.

7899010099087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20575296, while the sum is 67.

The spelling of 7899010099087 in words is "seven trillion, eight hundred ninety-nine billion, ten million, ninety-nine thousand, eighty-seven".