84661307 has 2 divisors, whose sum is σ = 84661308. Its totient is φ = 84661306.

The previous prime is 84661301. The next prime is 84661327. The reversal of 84661307 is 70316648.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84661307 - 2⁸ = 84661051 is a prime.

It is not a weakly prime, because it can be changed into another prime (84661301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42330653 + 42330654.

It is an arithmetic number, because the mean of its divisors is an integer number (42330654).

Almost surely, 2^84661307 is an apocalyptic number.

84661307 is a deficient number, since it is larger than the sum of its proper divisors (1).

84661307 is an equidigital number, since it uses as much as digits as its factorization.

84661307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 84661307 is about 9201.1579162625. The cubic root of 84661307 is about 439.0981994680.

The spelling of 84661307 in words is "eighty-four million, six hundred sixty-one thousand, three hundred seven".