82905120007 has 2 divisors, whose sum is σ = 82905120008. Its totient is φ = 82905120006.

The previous prime is 82905119953. The next prime is 82905120013. The reversal of 82905120007 is 70002150928.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82905120007 - 2³¹ = 80757636359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82905120407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41452560003 + 41452560004.

It is an arithmetic number, because the mean of its divisors is an integer number (41452560004).

Almost surely, 2^82905120007 is an apocalyptic number.

82905120007 is a deficient number, since it is larger than the sum of its proper divisors (1).

82905120007 is an equidigital number, since it uses as much as digits as its factorization.

82905120007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 34.

The spelling of 82905120007 in words is "eighty-two billion, nine hundred five million, one hundred twenty thousand, seven".