83879012 has 24 divisors (see below), whose sum is σ = 169331904. Its totient is φ = 35610912.

The previous prime is 83878979. The next prime is 83879017. The reversal of 83879012 is 21097838.

It is a super-2 number, since 2×83879012² = 14071377308192288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (83879017) 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, 11003 + ... + 16994.

It is an arithmetic number, because the mean of its divisors is an integer number (7055496).

Almost surely, 2^83879012 is an apocalyptic number.

It is an amenable number.

83879012 is an abundant number, since it is smaller than the sum of its proper divisors (85452892).

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

83879012 is a wasteful number, since it uses less digits than its factorization.

83879012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28115 (or 28113 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 83879012 is about 9158.5485749654. The cubic root of 83879012 is about 437.7415473771.

The spelling of 83879012 in words is "eighty-three million, eight hundred seventy-nine thousand, twelve".