7665022747 has 4 divisors (see below), whose sum is σ = 8115906456. Its totient is φ = 7214139040.

The previous prime is 7665022721. The next prime is 7665022753. The reversal of 7665022747 is 7472205667.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7472205667 = 211 ⋅35413297.

It is not a de Polignac number, because 7665022747 - 2¹⁵ = 7664989979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7665022697 and 7665022706.

It is not an unprimeable number, because it can be changed into a prime (7665022247) 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, 225441829 + ... + 225441862.

It is an arithmetic number, because the mean of its divisors is an integer number (2028976614).

Almost surely, 2^7665022747 is an apocalyptic number.

7665022747 is a deficient number, since it is larger than the sum of its proper divisors (450883709).

7665022747 is a wasteful number, since it uses less digits than its factorization.

7665022747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450883708.

The product of its (nonzero) digits is 987840, while the sum is 46.

The square root of 7665022747 is about 87550.1156309916. The cubic root of 7665022747 is about 1971.6862872648.

The spelling of 7665022747 in words is "seven billion, six hundred sixty-five million, twenty-two thousand, seven hundred forty-seven".