83278996 has 12 divisors (see below), whose sum is σ = 146344660. Its totient is φ = 41466240.

The previous prime is 83278961. The next prime is 83278997. The reversal of 83278996 is 69987238.

It can be written as a sum of positive squares in 2 ways, for example, as 29550096 + 53728900 = 5436^2 + 7330^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83278997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42231 + ... + 44158.

Almost surely, 2^83278996 is an apocalyptic number.

It is an amenable number.

83278996 is a deficient number, since it is larger than the sum of its proper divisors (63065664).

83278996 is a wasteful number, since it uses less digits than its factorization.

83278996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86634 (or 86632 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 52.

The square root of 83278996 is about 9125.7326281236. The cubic root of 83278996 is about 436.6952756606.

The spelling of 83278996 in words is "eighty-three million, two hundred seventy-eight thousand, nine hundred ninety-six".