84621059 has 2 divisors, whose sum is σ = 84621060. Its totient is φ = 84621058.

The previous prime is 84621023. The next prime is 84621107. The reversal of 84621059 is 95012648.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84621059 - 2⁸ = 84620803 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (84621959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42310529 + 42310530.

It is an arithmetic number, because the mean of its divisors is an integer number (42310530).

Almost surely, 2^84621059 is an apocalyptic number.

84621059 is a deficient number, since it is larger than the sum of its proper divisors (1).

84621059 is an equidigital number, since it uses as much as digits as its factorization.

84621059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 84621059 is about 9198.9705402289. The cubic root of 84621059 is about 439.0286059853.

The spelling of 84621059 in words is "eighty-four million, six hundred twenty-one thousand, fifty-nine".