83180078 has 8 divisors (see below), whose sum is σ = 124809960. Its totient is φ = 41576760.

The previous prime is 83180077. The next prime is 83180089. The reversal of 83180078 is 87008138.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83180077) 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, 6008 + ... + 14228.

It is an arithmetic number, because the mean of its divisors is an integer number (15601245).

Almost surely, 2^83180078 is an apocalyptic number.

83180078 is a deficient number, since it is larger than the sum of its proper divisors (41629882).

83180078 is a wasteful number, since it uses less digits than its factorization.

83180078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13282.

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 83180078 is about 9120.3112885471. The cubic root of 83180078 is about 436.5223063260.

The spelling of 83180078 in words is "eighty-three million, one hundred eighty thousand, seventy-eight".