80694788218 has 8 divisors (see below), whose sum is σ = 132046017120. Its totient is φ = 36679449180.

The previous prime is 80694788203. The next prime is 80694788243. The reversal of 80694788218 is 81288749608.

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

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, 1833972438 + ... + 1833972481.

It is an arithmetic number, because the mean of its divisors is an integer number (16505752140).

Almost surely, 2^80694788218 is an apocalyptic number.

80694788218 is a deficient number, since it is larger than the sum of its proper divisors (51351228902).

80694788218 is a wasteful number, since it uses less digits than its factorization.

80694788218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3667944932.

The product of its (nonzero) digits is 12386304, while the sum is 61.

The spelling of 80694788218 in words is "eighty billion, six hundred ninety-four million, seven hundred eighty-eight thousand, two hundred eighteen".