80219397 has 4 divisors (see below), whose sum is σ = 106959200. Its totient is φ = 53479596.

The previous prime is 80219383. The next prime is 80219401. The reversal of 80219397 is 79391208.

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 not a de Polignac number, because 80219397 - 2⁶ = 80219333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80219317) 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, 13369897 + ... + 13369902.

It is an arithmetic number, because the mean of its divisors is an integer number (26739800).

Almost surely, 2^80219397 is an apocalyptic number.

It is an amenable number.

80219397 is a deficient number, since it is larger than the sum of its proper divisors (26739803).

80219397 is a wasteful number, since it uses less digits than its factorization.

80219397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26739802.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 80219397 is about 8956.5281778153. The cubic root of 80219397 is about 431.2804755611.

The spelling of 80219397 in words is "eighty million, two hundred nineteen thousand, three hundred ninety-seven".