84879893 has 8 divisors (see below), whose sum is σ = 99261888. Its totient is φ = 71061984.

The previous prime is 84879863. The next prime is 84879919. The reversal of 84879893 is 39897848.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84879893 - 2¹⁰ = 84878869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84879833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140696 + ... + 141297.

It is an arithmetic number, because the mean of its divisors is an integer number (12407736).

Almost surely, 2^84879893 is an apocalyptic number.

It is an amenable number.

84879893 is a deficient number, since it is larger than the sum of its proper divisors (14381995).

84879893 is a wasteful number, since it uses less digits than its factorization.

84879893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282043.

The product of its digits is 3483648, while the sum is 56.

The square root of 84879893 is about 9213.0284380327. The cubic root of 84879893 is about 439.4757754702.

The spelling of 84879893 in words is "eighty-four million, eight hundred seventy-nine thousand, eight hundred ninety-three".