7983650563895 has 8 divisors (see below), whose sum is σ = 9581696164656. Its totient is φ = 6386043459136.

The previous prime is 7983650563877. The next prime is 7983650563897. The reversal of 7983650563895 is 5983650563897.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7983650563895 - 2²⁶ = 7983583455031 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 (7983650563897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109583942 + ... + 109656771.

It is an arithmetic number, because the mean of its divisors is an integer number (1197712020582).

Almost surely, 2^{7983650563895} is an apocalyptic number.

7983650563895 is a deficient number, since it is larger than the sum of its proper divisors (1598045600761).

7983650563895 is a wasteful number, since it uses less digits than its factorization.

7983650563895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219248001.

The product of its (nonzero) digits is 1469664000, while the sum is 74.

The spelling of 7983650563895 in words is "seven trillion, nine hundred eighty-three billion, six hundred fifty million, five hundred sixty-three thousand, eight hundred ninety-five".