84159952 has 10 divisors (see below), whose sum is σ = 163059938. Its totient is φ = 42079968.

The previous prime is 84159923. The next prime is 84159983. The reversal of 84159952 is 25995148.

It can be written as a sum of positive squares in only one way, i.e., 57699216 + 26460736 = 7596^2 + 5144^2 .

It is a junction number, because it is equal to n+sod(n) for n = 84159899 and 84159908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2629983 + ... + 2630014.

Almost surely, 2^84159952 is an apocalyptic number.

It is an amenable number.

84159952 is a deficient number, since it is larger than the sum of its proper divisors (78899986).

84159952 is a wasteful number, since it uses less digits than its factorization.

84159952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5260005 (or 5259999 counting only the distinct ones).

The product of its digits is 129600, while the sum is 43.

The square root of 84159952 is about 9173.8733368191. The cubic root of 84159952 is about 438.2297190200.

The spelling of 84159952 in words is "eighty-four million, one hundred fifty-nine thousand, nine hundred fifty-two".