84789331 has 8 divisors (see below), whose sum is σ = 92564928. Its totient is φ = 77025000.

The previous prime is 84789253. The next prime is 84789361. The reversal of 84789331 is 13398748.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 84789331 - 2²¹ = 82692179 is a prime.

It is a super-2 number, since 2×84789331² = 14378461302855122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84789361) 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, 24456 + ... + 27706.

It is an arithmetic number, because the mean of its divisors is an integer number (11570616).

Almost surely, 2^84789331 is an apocalyptic number.

84789331 is a deficient number, since it is larger than the sum of its proper divisors (7775597).

84789331 is a wasteful number, since it uses less digits than its factorization.

84789331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5633.

The product of its digits is 145152, while the sum is 43.

The square root of 84789331 is about 9208.1122386730. The cubic root of 84789331 is about 439.3194213291.

The spelling of 84789331 in words is "eighty-four million, seven hundred eighty-nine thousand, three hundred thirty-one".