83820876 has 12 divisors (see below), whose sum is σ = 195582072. Its totient is φ = 27940288.

The previous prime is 83820871. The next prime is 83820907. The reversal of 83820876 is 67802838.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (83820871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3492525 + ... + 3492548.

It is an arithmetic number, because the mean of its divisors is an integer number (16298506).

Almost surely, 2^83820876 is an apocalyptic number.

It is an amenable number.

83820876 is an abundant number, since it is smaller than the sum of its proper divisors (111761196).

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

83820876 is a wasteful number, since it uses less digits than its factorization.

83820876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6985080 (or 6985078 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 83820876 is about 9155.3741594760. The cubic root of 83820876 is about 437.6403920596.

The spelling of 83820876 in words is "eighty-three million, eight hundred twenty thousand, eight hundred seventy-six".