84901867 has 4 divisors (see below), whose sum is σ = 85016880. Its totient is φ = 84786856.

The previous prime is 84901849. The next prime is 84901877. The reversal of 84901867 is 76810948.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 84901867 - 2²³ = 76513259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84901837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56392 + ... + 57877.

It is an arithmetic number, because the mean of its divisors is an integer number (21254220).

Almost surely, 2^84901867 is an apocalyptic number.

84901867 is a deficient number, since it is larger than the sum of its proper divisors (115013).

84901867 is a wasteful number, since it uses less digits than its factorization.

84901867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115012.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 84901867 is about 9214.2209111785. The cubic root of 84901867 is about 439.5136965338.

The spelling of 84901867 in words is "eighty-four million, nine hundred one thousand, eight hundred sixty-seven".