7902676609 has 3 divisors (see below), whose sum is σ = 7902765507. Its totient is φ = 7902587712.

The previous prime is 7902676577. The next prime is 7902676619. The reversal of 7902676609 is 9066762097.

The square root of 7902676609 is 88897.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 1232361025 + 6670315584 = 35105^2 + 81672^2 .

It is not a de Polignac number, because 7902676609 - 2⁵ = 7902676577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7902676619) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 44449 + ... + 133345.

It is an arithmetic number, because the mean of its divisors is an integer number (2634255169).

Almost surely, 2^7902676609 is an apocalyptic number.

7902676609 is the 88897-th square number.

7902676609 is the 44449-th centered octagonal number.

It is an amenable number.

7902676609 is a deficient number, since it is larger than the sum of its proper divisors (88898).

7902676609 is an frugal number, since it uses more digits than its factorization.

7902676609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177794 (or 88897 counting only the distinct ones).

The product of its (nonzero) digits is 1714608, while the sum is 52.

The cubic root of 7902676609 is about 1991.8566049778.

The spelling of 7902676609 in words is "seven billion, nine hundred two million, six hundred seventy-six thousand, six hundred nine".