82445707 has 2 divisors, whose sum is σ = 82445708. Its totient is φ = 82445706.

The previous prime is 82445683. The next prime is 82445813. The reversal of 82445707 is 70754428.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82445707 - 2²³ = 74057099 is a prime.

It is not a weakly prime, because it can be changed into another prime (82245707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41222853 + 41222854.

It is an arithmetic number, because the mean of its divisors is an integer number (41222854).

Almost surely, 2^82445707 is an apocalyptic number.

82445707 is a deficient number, since it is larger than the sum of its proper divisors (1).

82445707 is an equidigital number, since it uses as much as digits as its factorization.

82445707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62720, while the sum is 37.

The square root of 82445707 is about 9079.9618391269. The cubic root of 82445707 is about 435.2338672861.

The spelling of 82445707 in words is "eighty-two million, four hundred forty-five thousand, seven hundred seven".