82921230727 has 2 divisors, whose sum is σ = 82921230728. Its totient is φ = 82921230726.

The previous prime is 82921230697. The next prime is 82921230737. The reversal of 82921230727 is 72703212928.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82921230727 - 2¹⁹ = 82920706439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82921230737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41460615363 + 41460615364.

It is an arithmetic number, because the mean of its divisors is an integer number (41460615364).

Almost surely, 2^82921230727 is an apocalyptic number.

82921230727 is a deficient number, since it is larger than the sum of its proper divisors (1).

82921230727 is an equidigital number, since it uses as much as digits as its factorization.

82921230727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 43.

The spelling of 82921230727 in words is "eighty-two billion, nine hundred twenty-one million, two hundred thirty thousand, seven hundred twenty-seven".