84947843724 has 24 divisors (see below), whose sum is σ = 199238644080. Its totient is φ = 28169232384.

The previous prime is 84947843723. The next prime is 84947843737. The reversal of 84947843724 is 42734874948.

It is a super-2 number, since 2×84947843724² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84947843723) 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, 18337029 + ... + 18341660.

It is an arithmetic number, because the mean of its divisors is an integer number (8301610170).

Almost surely, 2^84947843724 is an apocalyptic number.

It is an amenable number.

84947843724 is an abundant number, since it is smaller than the sum of its proper divisors (114290800356).

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

84947843724 is a wasteful number, since it uses less digits than its factorization.

84947843724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36678889 (or 36678887 counting only the distinct ones).

The product of its digits is 43352064, while the sum is 60.

The spelling of 84947843724 in words is "eighty-four billion, nine hundred forty-seven million, eight hundred forty-three thousand, seven hundred twenty-four".