7983774720023 has 4 divisors (see below), whose sum is σ = 8330895360048. Its totient is φ = 7636654080000.

The previous prime is 7983774720017. The next prime is 7983774720041. The reversal of 7983774720023 is 3200274773897.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7983774720023 - 2¹⁶ = 7983774654487 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 (7983774720043) 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, 173560319978 + ... + 173560320023.

It is an arithmetic number, because the mean of its divisors is an integer number (2082723840012).

Almost surely, 2^{7983774720023} is an apocalyptic number.

7983774720023 is a deficient number, since it is larger than the sum of its proper divisors (347120640025).

7983774720023 is a wasteful number, since it uses less digits than its factorization.

7983774720023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347120640024.

The product of its (nonzero) digits is 24893568, while the sum is 59.

The spelling of 7983774720023 in words is "seven trillion, nine hundred eighty-three billion, seven hundred seventy-four million, seven hundred twenty thousand, twenty-three".