80684297 has 4 divisors (see below), whose sum is σ = 82560720. Its totient is φ = 78807876.

The previous prime is 80684291. The next prime is 80684311. The reversal of 80684297 is 79248608.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80684297 - 2¹⁶ = 80618761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80684291) 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, 938147 + ... + 938232.

It is an arithmetic number, because the mean of its divisors is an integer number (20640180).

Almost surely, 2^80684297 is an apocalyptic number.

It is an amenable number.

80684297 is a deficient number, since it is larger than the sum of its proper divisors (1876423).

80684297 is a wasteful number, since it uses less digits than its factorization.

80684297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1876422.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 80684297 is about 8982.4438211436. The cubic root of 80684297 is about 432.1120126349.

The spelling of 80684297 in words is "eighty million, six hundred eighty-four thousand, two hundred ninety-seven".