7983022645 has 16 divisors (see below), whose sum is σ = 10325356272. Its totient is φ = 5890106880.

The previous prime is 7983022631. The next prime is 7983022661. The reversal of 7983022645 is 5462203897.

It can be written as a sum of positive squares in 8 ways, for example, as 909203409 + 7073819236 = 30153^2 + 84106^2 .

It is not a de Polignac number, because 7983022645 - 2²⁷ = 7848804917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7983022595 and 7983022604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24769 + ... + 128761.

It is an arithmetic number, because the mean of its divisors is an integer number (645334767).

Almost surely, 2^7983022645 is an apocalyptic number.

It is an amenable number.

7983022645 is a deficient number, since it is larger than the sum of its proper divisors (2342333627).

7983022645 is a wasteful number, since it uses less digits than its factorization.

7983022645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105192.

The product of its (nonzero) digits is 725760, while the sum is 46.

The square root of 7983022645 is about 89347.7623950371. The cubic root of 7983022645 is about 1998.5842184344.

The spelling of 7983022645 in words is "seven billion, nine hundred eighty-three million, twenty-two thousand, six hundred forty-five".