80694645 has 8 divisors (see below), whose sum is σ = 129111456. Its totient is φ = 43037136.

The previous prime is 80694637. The next prime is 80694661. The reversal of 80694645 is 54649608.

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

It is not a de Polignac number, because 80694645 - 2³ = 80694637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80694597 and 80694606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2689807 + ... + 2689836.

It is an arithmetic number, because the mean of its divisors is an integer number (16138932).

Almost surely, 2^80694645 is an apocalyptic number.

It is an amenable number.

80694645 is a deficient number, since it is larger than the sum of its proper divisors (48416811).

80694645 is a wasteful number, since it uses less digits than its factorization.

80694645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5379651.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 80694645 is about 8983.0198151846. The cubic root of 80694645 is about 432.1304850602.

The spelling of 80694645 in words is "eighty million, six hundred ninety-four thousand, six hundred forty-five".