80320247 has 8 divisors (see below), whose sum is σ = 92637600. Its totient is φ = 68213664.

The previous prime is 80320237. The next prime is 80320283. The reversal of 80320247 is 74202308.

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

It is a cyclic number.

It is not a de Polignac number, because 80320247 - 2⁶ = 80320183 is a prime.

It is a super-3 number, since 3×80320247³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80320237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51872 + ... + 53397.

It is an arithmetic number, because the mean of its divisors is an integer number (11579700).

Almost surely, 2^80320247 is an apocalyptic number.

80320247 is a deficient number, since it is larger than the sum of its proper divisors (12317353).

80320247 is a wasteful number, since it uses less digits than its factorization.

80320247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105385.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 80320247 is about 8962.1563811395. The cubic root of 80320247 is about 431.4611318756.

The spelling of 80320247 in words is "eighty million, three hundred twenty thousand, two hundred forty-seven".