80315997 has 8 divisors (see below), whose sum is σ = 109366656. Its totient is φ = 52404672.

The previous prime is 80315971. The next prime is 80316013. The reversal of 80315997 is 79951308.

It is a happy number.

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

It is not a de Polignac number, because 80315997 - 2¹² = 80311901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80315927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284668 + ... + 284949.

It is an arithmetic number, because the mean of its divisors is an integer number (13670832).

Almost surely, 2^80315997 is an apocalyptic number.

It is an amenable number.

80315997 is a deficient number, since it is larger than the sum of its proper divisors (29050659).

80315997 is a wasteful number, since it uses less digits than its factorization.

80315997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569667.

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 80315997 is about 8961.9192698886. The cubic root of 80315997 is about 431.4535217473.

It can be divided in two parts, 8031 and 5997, that added together give a triangular number (14028 = T₁₆₇).

The spelling of 80315997 in words is "eighty million, three hundred fifteen thousand, nine hundred ninety-seven".