83955172 has 12 divisors (see below), whose sum is σ = 167910400. Its totient is φ = 35980776.

The previous prime is 83955143. The next prime is 83955187. The reversal of 83955172 is 27155938.

83955172 is an admirable number.

It is an unprimeable number.

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1499172 + ... + 1499227.

Almost surely, 2^83955172 is an apocalyptic number.

It is an amenable number.

83955172 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

83955172 is a wasteful number, since it uses less digits than its factorization.

83955172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2998410 (or 2998408 counting only the distinct ones).

The product of its digits is 75600, while the sum is 40.

The square root of 83955172 is about 9162.7054956492. The cubic root of 83955172 is about 437.8739933466.

The spelling of 83955172 in words is "eighty-three million, nine hundred fifty-five thousand, one hundred seventy-two".