84784076 has 12 divisors (see below), whose sum is σ = 159785472. Its totient is φ = 39131088.

The previous prime is 84783991. The next prime is 84784079. The reversal of 84784076 is 67048748.

It is not an unprimeable number, because it can be changed into a prime (84784079) 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, 815180 + ... + 815283.

It is an arithmetic number, because the mean of its divisors is an integer number (13315456).

Almost surely, 2^84784076 is an apocalyptic number.

It is an amenable number.

84784076 is a deficient number, since it is larger than the sum of its proper divisors (75001396).

84784076 is a wasteful number, since it uses less digits than its factorization.

84784076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630480 (or 1630478 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 44.

The square root of 84784076 is about 9207.8268880339. The cubic root of 84784076 is about 439.3103452216.

The spelling of 84784076 in words is "eighty-four million, seven hundred eighty-four thousand, seventy-six".