80813697 has 32 divisors (see below), whose sum is σ = 115734528. Its totient is φ = 50050176.

The previous prime is 80813687. The next prime is 80813713. The reversal of 80813697 is 79631808.

It is not a de Polignac number, because 80813697 - 2¹⁹ = 80289409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80813617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 589813 + ... + 589949.

It is an arithmetic number, because the mean of its divisors is an integer number (3616704).

Almost surely, 2^80813697 is an apocalyptic number.

It is an amenable number.

80813697 is a deficient number, since it is larger than the sum of its proper divisors (34920831).

80813697 is a wasteful number, since it uses less digits than its factorization.

80813697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 80813697 is about 8989.6438750375. The cubic root of 80813697 is about 432.3428936990.

The spelling of 80813697 in words is "eighty million, eight hundred thirteen thousand, six hundred ninety-seven".