78621068182 has 8 divisors (see below), whose sum is σ = 119547103896. Its totient is φ = 38772033552.

The previous prime is 78621068161. The next prime is 78621068209. The reversal of 78621068182 is 28186012687.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269250088 + ... + 269250379.

It is an arithmetic number, because the mean of its divisors is an integer number (14943387987).

Almost surely, 2^78621068182 is an apocalyptic number.

78621068182 is a deficient number, since it is larger than the sum of its proper divisors (40926035714).

78621068182 is a wasteful number, since it uses less digits than its factorization.

78621068182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538500542.

The product of its (nonzero) digits is 516096, while the sum is 49.

The spelling of 78621068182 in words is "seventy-eight billion, six hundred twenty-one million, sixty-eight thousand, one hundred eighty-two".