84917968 has 10 divisors (see below), whose sum is σ = 164528594. Its totient is φ = 42458976.

The previous prime is 84917957. The next prime is 84917981. The reversal of 84917968 is 86971948.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 84492864 + 425104 = 9192^2 + 652^2 .

It is a super-2 number, since 2×84917968² = 14422122578498048, which contains 22 as substring.

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, 2653671 + ... + 2653702.

Almost surely, 2^84917968 is an apocalyptic number.

It is an amenable number.

84917968 is a deficient number, since it is larger than the sum of its proper divisors (79610626).

84917968 is a wasteful number, since it uses less digits than its factorization.

84917968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5307381 (or 5307375 counting only the distinct ones).

The product of its digits is 870912, while the sum is 52.

The square root of 84917968 is about 9215.0945735787. The cubic root of 84917968 is about 439.5414782657.

The spelling of 84917968 in words is "eighty-four million, nine hundred seventeen thousand, nine hundred sixty-eight".