83196878 has 16 divisors (see below), whose sum is σ = 132773904. Its totient is φ = 38962560.

The previous prime is 83196871. The next prime is 83196917. The reversal of 83196878 is 87869138.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83196871) 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, 1376 + ... + 12972.

It is an arithmetic number, because the mean of its divisors is an integer number (8298369).

Almost surely, 2^83196878 is an apocalyptic number.

83196878 is a deficient number, since it is larger than the sum of its proper divisors (49577026).

83196878 is a wasteful number, since it uses less digits than its factorization.

83196878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11827.

The product of its digits is 580608, while the sum is 50.

The square root of 83196878 is about 9121.2322632416. The cubic root of 83196878 is about 436.5516926937.

The spelling of 83196878 in words is "eighty-three million, one hundred ninety-six thousand, eight hundred seventy-eight".