82071607 has 2 divisors, whose sum is σ = 82071608. Its totient is φ = 82071606.

The previous prime is 82071589. The next prime is 82071611. The reversal of 82071607 is 70617028.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82071607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82071667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41035803 + 41035804.

It is an arithmetic number, because the mean of its divisors is an integer number (41035804).

Almost surely, 2^82071607 is an apocalyptic number.

82071607 is a deficient number, since it is larger than the sum of its proper divisors (1).

82071607 is an equidigital number, since it uses as much as digits as its factorization.

82071607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 82071607 is about 9059.3381104803. The cubic root of 82071607 is about 434.5745732819.

It can be divided in two parts, 820 and 71607, that added together give a palindrome (72427).

The spelling of 82071607 in words is "eighty-two million, seventy-one thousand, six hundred seven".