82671007 has 2 divisors, whose sum is σ = 82671008. Its totient is φ = 82671006.

The previous prime is 82670999. The next prime is 82671013. The reversal of 82671007 is 70017628.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82671007 - 2³ = 82670999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82671007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82671067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41335503 + 41335504.

It is an arithmetic number, because the mean of its divisors is an integer number (41335504).

Almost surely, 2^82671007 is an apocalyptic number.

82671007 is a deficient number, since it is larger than the sum of its proper divisors (1).

82671007 is an equidigital number, since it uses as much as digits as its factorization.

82671007 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 82671007 is about 9092.3598147016. The cubic root of 82671007 is about 435.6299623155.

The spelling of 82671007 in words is "eighty-two million, six hundred seventy-one thousand, seven".