83127881 has 8 divisors (see below), whose sum is σ = 84069024. Its totient is φ = 82192320.

The previous prime is 83127871. The next prime is 83127887. The reversal of 83127881 is 18872138.

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 83127881 - 2⁶ = 83127817 is a prime.

It is a super-2 number, since 2×83127881² = 13820489199100322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83127887) 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, 33185 + ... + 35601.

It is an arithmetic number, because the mean of its divisors is an integer number (10508628).

Almost surely, 2^83127881 is an apocalyptic number.

It is an amenable number.

83127881 is a deficient number, since it is larger than the sum of its proper divisors (941143).

83127881 is a wasteful number, since it uses less digits than its factorization.

83127881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2791.

The product of its digits is 21504, while the sum is 38.

The square root of 83127881 is about 9117.4492595243. The cubic root of 83127881 is about 436.4309786785.

The spelling of 83127881 in words is "eighty-three million, one hundred twenty-seven thousand, eight hundred eighty-one".