84950811 has 24 divisors (see below), whose sum is σ = 137133360. Its totient is φ = 50227200.

The previous prime is 84950809. The next prime is 84950837. The reversal of 84950811 is 11805948.

It is not a de Polignac number, because 84950811 - 2¹ = 84950809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84950011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6406 + ... + 14523.

It is an arithmetic number, because the mean of its divisors is an integer number (5713890).

Almost surely, 2^84950811 is an apocalyptic number.

84950811 is a deficient number, since it is larger than the sum of its proper divisors (52182549).

84950811 is a wasteful number, since it uses less digits than its factorization.

84950811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20987 (or 20984 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 84950811 is about 9216.8764231707. The cubic root of 84950811 is about 439.5981368679.

The spelling of 84950811 in words is "eighty-four million, nine hundred fifty thousand, eight hundred eleven".