84665701 has 2 divisors, whose sum is σ = 84665702. Its totient is φ = 84665700.

The previous prime is 84665677. The next prime is 84665759. The reversal of 84665701 is 10756648.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84621601 + 44100 = 9199^2 + 210^2 .

It is a cyclic number.

It is not a de Polignac number, because 84665701 - 2¹⁹ = 84141413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84665201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42332850 + 42332851.

It is an arithmetic number, because the mean of its divisors is an integer number (42332851).

Almost surely, 2^84665701 is an apocalyptic number.

It is an amenable number.

84665701 is a deficient number, since it is larger than the sum of its proper divisors (1).

84665701 is an equidigital number, since it uses as much as digits as its factorization.

84665701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 84665701 is about 9201.3966874600. The cubic root of 84665701 is about 439.1057958706.

The spelling of 84665701 in words is "eighty-four million, six hundred sixty-five thousand, seven hundred one".