83975881 has 8 divisors (see below), whose sum is σ = 92124000. Its totient is φ = 75913440.

The previous prime is 83975873. The next prime is 83975893. The reversal of 83975881 is 18857938.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83975881 - 2³ = 83975873 is a prime.

It is a super-2 number, since 2×83975881² = 14103897179452322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83975581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19356 + ... + 23293.

It is an arithmetic number, because the mean of its divisors is an integer number (11515500).

Almost surely, 2^83975881 is an apocalyptic number.

It is an amenable number.

83975881 is a deficient number, since it is larger than the sum of its proper divisors (8148119).

83975881 is a wasteful number, since it uses less digits than its factorization.

83975881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42839.

The product of its digits is 483840, while the sum is 49.

The square root of 83975881 is about 9163.8354961228. The cubic root of 83975881 is about 437.9099934596.

The spelling of 83975881 in words is "eighty-three million, nine hundred seventy-five thousand, eight hundred eighty-one".