82799994671 has 2 divisors, whose sum is σ = 82799994672. Its totient is φ = 82799994670.

The previous prime is 82799994649. The next prime is 82799994677. The reversal of 82799994671 is 17649999728.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82799994671 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82799994595 and 82799994604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82799994677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41399997335 + 41399997336.

It is an arithmetic number, because the mean of its divisors is an integer number (41399997336).

Almost surely, 2^82799994671 is an apocalyptic number.

82799994671 is a deficient number, since it is larger than the sum of its proper divisors (1).

82799994671 is an equidigital number, since it uses as much as digits as its factorization.

82799994671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 123451776, while the sum is 71.

The spelling of 82799994671 in words is "eighty-two billion, seven hundred ninety-nine million, nine hundred ninety-four thousand, six hundred seventy-one".