7984677823 has 2 divisors, whose sum is σ = 7984677824. Its totient is φ = 7984677822.

The previous prime is 7984677803. The next prime is 7984677859. The reversal of 7984677823 is 3287764897.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7984677823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7984677803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3992338911 + 3992338912.

It is an arithmetic number, because the mean of its divisors is an integer number (3992338912).

Almost surely, 2^7984677823 is an apocalyptic number.

7984677823 is a deficient number, since it is larger than the sum of its proper divisors (1).

7984677823 is an equidigital number, since it uses as much as digits as its factorization.

7984677823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28449792, while the sum is 61.

The square root of 7984677823 is about 89357.0244748559. The cubic root of 7984677823 is about 1998.7223358777.

The spelling of 7984677823 in words is "seven billion, nine hundred eighty-four million, six hundred seventy-seven thousand, eight hundred twenty-three".