84378792 has 16 divisors (see below), whose sum is σ = 210947040. Its totient is φ = 28126256.

The previous prime is 84378787. The next prime is 84378793. The reversal of 84378792 is 29787348.

It is not an unprimeable number, because it can be changed into a prime (84378793) 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, 1757868 + ... + 1757915.

It is an arithmetic number, because the mean of its divisors is an integer number (13184190).

Almost surely, 2^84378792 is an apocalyptic number.

It is an amenable number.

84378792 is an abundant number, since it is smaller than the sum of its proper divisors (126568248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84378792 is a wasteful number, since it uses less digits than its factorization.

84378792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3515792 (or 3515788 counting only the distinct ones).

The product of its digits is 677376, while the sum is 48.

The square root of 84378792 is about 9185.7929434535. The cubic root of 84378792 is about 438.6092312262.

The spelling of 84378792 in words is "eighty-four million, three hundred seventy-eight thousand, seven hundred ninety-two".