82798871 has 2 divisors, whose sum is σ = 82798872. Its totient is φ = 82798870.

The previous prime is 82798813. The next prime is 82798897. The reversal of 82798871 is 17889728.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82798871 - 2²⁶ = 15690007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82798271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41399435 + 41399436.

It is an arithmetic number, because the mean of its divisors is an integer number (41399436).

Almost surely, 2^82798871 is an apocalyptic number.

82798871 is a deficient number, since it is larger than the sum of its proper divisors (1).

82798871 is an equidigital number, since it uses as much as digits as its factorization.

82798871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 451584, while the sum is 50.

The square root of 82798871 is about 9099.3884959375. The cubic root of 82798871 is about 435.8544372115.

The spelling of 82798871 in words is "eighty-two million, seven hundred ninety-eight thousand, eight hundred seventy-one".