84955807 has 2 divisors, whose sum is σ = 84955808. Its totient is φ = 84955806.

The previous prime is 84955781. The next prime is 84955861. The reversal of 84955807 is 70855948.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84955807 - 2⁷ = 84955679 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84955907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42477903 + 42477904.

It is an arithmetic number, because the mean of its divisors is an integer number (42477904).

Almost surely, 2^84955807 is an apocalyptic number.

84955807 is a deficient number, since it is larger than the sum of its proper divisors (1).

84955807 is an equidigital number, since it uses as much as digits as its factorization.

84955807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 403200, while the sum is 46.

The square root of 84955807 is about 9217.1474437594. The cubic root of 84955807 is about 439.6067543616.

The spelling of 84955807 in words is "eighty-four million, nine hundred fifty-five thousand, eight hundred seven".