84791071 has 2 divisors, whose sum is σ = 84791072. Its totient is φ = 84791070.

The previous prime is 84791051. The next prime is 84791123. The reversal of 84791071 is 17019748.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84791071 - 2⁷ = 84790943 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84791071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84791011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42395535 + 42395536.

It is an arithmetic number, because the mean of its divisors is an integer number (42395536).

Almost surely, 2^84791071 is an apocalyptic number.

84791071 is a deficient number, since it is larger than the sum of its proper divisors (1).

84791071 is an equidigital number, since it uses as much as digits as its factorization.

84791071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 37.

The square root of 84791071 is about 9208.2067200949. The cubic root of 84791071 is about 439.3224264657.

The spelling of 84791071 in words is "eighty-four million, seven hundred ninety-one thousand, seventy-one".