84379012 has 12 divisors (see below), whose sum is σ = 147731920. Its totient is φ = 42169896.

The previous prime is 84379003. The next prime is 84379013. The reversal of 84379012 is 21097348.

It is a super-2 number, since 2×84379012² = 14239635332192288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84379013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9439 + ... + 16057.

Almost surely, 2^84379012 is an apocalyptic number.

It is an amenable number.

84379012 is a deficient number, since it is larger than the sum of its proper divisors (63352908).

84379012 is a wasteful number, since it uses less digits than its factorization.

84379012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9810 (or 9808 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 84379012 is about 9185.8049184598. The cubic root of 84379012 is about 438.6096124198.

The spelling of 84379012 in words is "eighty-four million, three hundred seventy-nine thousand, twelve".