7645252677 has 4 divisors (see below), whose sum is σ = 10193670240. Its totient is φ = 5096835116.

The previous prime is 7645252673. The next prime is 7645252679. The reversal of 7645252677 is 7762525467.

It is a happy number.

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 7645252677 - 2² = 7645252673 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7645252673) 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, 1274208777 + ... + 1274208782.

It is an arithmetic number, because the mean of its divisors is an integer number (2548417560).

Almost surely, 2^7645252677 is an apocalyptic number.

It is an amenable number.

7645252677 is a deficient number, since it is larger than the sum of its proper divisors (2548417563).

7645252677 is a wasteful number, since it uses less digits than its factorization.

7645252677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2548417562.

The product of its digits is 4939200, while the sum is 51.

The square root of 7645252677 is about 87437.1355717924. The cubic root of 7645252677 is about 1969.9896653155.

The spelling of 7645252677 in words is "seven billion, six hundred forty-five million, two hundred fifty-two thousand, six hundred seventy-seven".