83956872 has 32 divisors (see below), whose sum is σ = 210160800. Its totient is φ = 27949824.

The previous prime is 83956871. The next prime is 83956879. The reversal of 83956872 is 27865938.

It is not an unprimeable number, because it can be changed into a prime (83956871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22483 + ... + 25949.

It is an arithmetic number, because the mean of its divisors is an integer number (6567525).

Almost surely, 2^83956872 is an apocalyptic number.

It is an amenable number.

83956872 is an abundant number, since it is smaller than the sum of its proper divisors (126203928).

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

83956872 is a wasteful number, since it uses less digits than its factorization.

83956872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4485 (or 4481 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The square root of 83956872 is about 9162.7982625397. The cubic root of 83956872 is about 437.8769488157.

The spelling of 83956872 in words is "eighty-three million, nine hundred fifty-six thousand, eight hundred seventy-two".