7685702007889 has 4 divisors (see below), whose sum is σ = 7800413978224. Its totient is φ = 7570990037556.

The previous prime is 7685702007883. The next prime is 7685702007911. The reversal of 7685702007889 is 9887002075867.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7685702007889 - 2³⁹ = 7135946194001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (67), and also a Moran number because the ratio is a prime number: 114711970267 = 7685702007889 / (7 + 6 + 8 + 5 + 7 + 0 + 2 + 0 + 0 + 7 + 8 + 8 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7685702007883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57355985067 + ... + 57355985200.

It is an arithmetic number, because the mean of its divisors is an integer number (1950103494556).

Almost surely, 2^{7685702007889} is an apocalyptic number.

It is an amenable number.

7685702007889 is a deficient number, since it is larger than the sum of its proper divisors (114711970335).

7685702007889 is a wasteful number, since it uses less digits than its factorization.

7685702007889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114711970334.

The product of its (nonzero) digits is 94832640, while the sum is 67.

The spelling of 7685702007889 in words is "seven trillion, six hundred eighty-five billion, seven hundred two million, seven thousand, eight hundred eighty-nine".