7646662623 has 4 divisors (see below), whose sum is σ = 10195550168. Its totient is φ = 5097775080.

The previous prime is 7646662601. The next prime is 7646662649. The reversal of 7646662623 is 3262666467.

It is a happy number.

7646662623 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3262666467 = 3 ⋅1087555489.

It is not a de Polignac number, because 7646662623 - 2⁵ = 7646662591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7646662693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1274443768 + ... + 1274443773.

It is an arithmetic number, because the mean of its divisors is an integer number (2548887542).

Almost surely, 2^7646662623 is an apocalyptic number.

7646662623 is a deficient number, since it is larger than the sum of its proper divisors (2548887545).

7646662623 is a wasteful number, since it uses less digits than its factorization.

7646662623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2548887544.

The product of its digits is 2612736, while the sum is 48.

The square root of 7646662623 is about 87445.1978269819. The cubic root of 7646662623 is about 1970.1107604332.

The spelling of 7646662623 in words is "seven billion, six hundred forty-six million, six hundred sixty-two thousand, six hundred twenty-three".