84146071 has 2 divisors, whose sum is σ = 84146072. Its totient is φ = 84146070.

The previous prime is 84146057. The next prime is 84146077. The reversal of 84146071 is 17064148.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84146071 is a prime.

It is a super-2 number, since 2×84146071² = 14161122529474082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84146077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42073035 + 42073036.

It is an arithmetic number, because the mean of its divisors is an integer number (42073036).

Almost surely, 2^84146071 is an apocalyptic number.

84146071 is a deficient number, since it is larger than the sum of its proper divisors (1).

84146071 is an equidigital number, since it uses as much as digits as its factorization.

84146071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 84146071 is about 9173.1167549530. The cubic root of 84146071 is about 438.2056244197.

The spelling of 84146071 in words is "eighty-four million, one hundred forty-six thousand, seventy-one".