84916851 has 16 divisors (see below), whose sum is σ = 118368000. Its totient is φ = 54047840.

The previous prime is 84916849. The next prime is 84916879. The reversal of 84916851 is 15861948.

It is a cyclic number.

It is not a de Polignac number, because 84916851 - 2¹ = 84916849 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (84916801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55900 + ... + 57398.

It is an arithmetic number, because the mean of its divisors is an integer number (7398000).

Almost surely, 2^84916851 is an apocalyptic number.

84916851 is the 4926-th nonagonal number.

84916851 is a deficient number, since it is larger than the sum of its proper divisors (33451149).

84916851 is a wasteful number, since it uses less digits than its factorization.

84916851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2346.

The product of its digits is 69120, while the sum is 42.

The square root of 84916851 is about 9215.0339662966. The cubic root of 84916851 is about 439.5395510333.

The spelling of 84916851 in words is "eighty-four million, nine hundred sixteen thousand, eight hundred fifty-one".