7899002345387 has 2 divisors, whose sum is σ = 7899002345388. Its totient is φ = 7899002345386.

The previous prime is 7899002345359. The next prime is 7899002345441. The reversal of 7899002345387 is 7835432009987.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7899002345387 - 2²⁴ = 7898985568171 is a prime.

It is not a weakly prime, because it can be changed into another prime (7899002345287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3949501172693 + 3949501172694.

It is an arithmetic number, because the mean of its divisors is an integer number (3949501172694).

Almost surely, 2^{7899002345387} is an apocalyptic number.

7899002345387 is a deficient number, since it is larger than the sum of its proper divisors (1).

7899002345387 is an equidigital number, since it uses as much as digits as its factorization.

7899002345387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 91445760, while the sum is 65.

The spelling of 7899002345387 in words is "seven trillion, eight hundred ninety-nine billion, two million, three hundred forty-five thousand, three hundred eighty-seven".