80499597 has 4 divisors (see below), whose sum is σ = 107332800. Its totient is φ = 53666396.

The previous prime is 80499593. The next prime is 80499623. The reversal of 80499597 is 79599408.

It is a happy number.

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 80499597 - 2² = 80499593 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80499593) 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 3 ways as a sum of consecutive naturals, for example, 13416597 + ... + 13416602.

It is an arithmetic number, because the mean of its divisors is an integer number (26833200).

Almost surely, 2^80499597 is an apocalyptic number.

It is an amenable number.

80499597 is a deficient number, since it is larger than the sum of its proper divisors (26833203).

80499597 is a wasteful number, since it uses less digits than its factorization.

80499597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26833202.

The product of its (nonzero) digits is 816480, while the sum is 51.

The square root of 80499597 is about 8972.1567641231. The cubic root of 80499597 is about 431.7820348918.

The spelling of 80499597 in words is "eighty million, four hundred ninety-nine thousand, five hundred ninety-seven".