82371407 has 2 divisors, whose sum is σ = 82371408. Its totient is φ = 82371406.

The previous prime is 82371391. The next prime is 82371449. The reversal of 82371407 is 70417328.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82371407 - 2⁴ = 82371391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82371907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41185703 + 41185704.

It is an arithmetic number, because the mean of its divisors is an integer number (41185704).

Almost surely, 2^82371407 is an apocalyptic number.

82371407 is a deficient number, since it is larger than the sum of its proper divisors (1).

82371407 is an equidigital number, since it uses as much as digits as its factorization.

82371407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 82371407 is about 9075.8694900268. The cubic root of 82371407 is about 435.1030838624.

The spelling of 82371407 in words is "eighty-two million, three hundred seventy-one thousand, four hundred seven".