84947712 has 36 divisors (see below), whose sum is σ = 226086840. Its totient is φ = 28315648.

The previous prime is 84947683. The next prime is 84947729. The reversal of 84947712 is 21774948.

It is a happy number.

It is a super-2 number, since 2×84947712² = 14432227548069888, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54537 + ... + 56072.

It is an arithmetic number, because the mean of its divisors is an integer number (6280190).

Almost surely, 2^84947712 is an apocalyptic number.

It is an amenable number.

84947712 is an abundant number, since it is smaller than the sum of its proper divisors (141139128).

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

84947712 is a wasteful number, since it uses less digits than its factorization.

84947712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110628 (or 110614 counting only the distinct ones).

The product of its digits is 112896, while the sum is 42.

The square root of 84947712 is about 9216.7083061145. The cubic root of 84947712 is about 439.5927912991.

The spelling of 84947712 in words is "eighty-four million, nine hundred forty-seven thousand, seven hundred twelve".