83851672 has 16 divisors (see below), whose sum is σ = 158371560. Its totient is φ = 41619264.

The previous prime is 83851661. The next prime is 83851679. The reversal of 83851672 is 27615838.

It is a super-2 number, since 2×83851672² = 14062205794391168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83851679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37158 + ... + 39349.

Almost surely, 2^83851672 is an apocalyptic number.

It is an amenable number.

83851672 is a deficient number, since it is larger than the sum of its proper divisors (74519888).

83851672 is a wasteful number, since it uses less digits than its factorization.

83851672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76650 (or 76646 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 83851672 is about 9157.0558587354. The cubic root of 83851672 is about 437.6939822228.

The spelling of 83851672 in words is "eighty-three million, eight hundred fifty-one thousand, six hundred seventy-two".