83851968 has 28 divisors (see below), whose sum is σ = 221858840. Its totient is φ = 27950592.

The previous prime is 83851967. The next prime is 83851981. The reversal of 83851968 is 86915838.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (83851967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218173 + ... + 218556.

It is an arithmetic number, because the mean of its divisors is an integer number (7923530).

Almost surely, 2^83851968 is an apocalyptic number.

It is an amenable number.

83851968 is an abundant number, since it is smaller than the sum of its proper divisors (138006872).

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

83851968 is a wasteful number, since it uses less digits than its factorization.

83851968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436744 (or 436734 counting only the distinct ones).

The product of its digits is 414720, while the sum is 48.

The square root of 83851968 is about 9157.0720211212. The cubic root of 83851968 is about 437.6944972484.

The spelling of 83851968 in words is "eighty-three million, eight hundred fifty-one thousand, nine hundred sixty-eight".