80420599 has 8 divisors (see below), whose sum is σ = 93467520. Its totient is φ = 67763256.

The previous prime is 80420563. The next prime is 80420629. The reversal of 80420599 is 99502408.

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 80420599 - 2⁷ = 80420471 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 (80420539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96949 + ... + 97774.

It is an arithmetic number, because the mean of its divisors is an integer number (11683440).

Almost surely, 2^80420599 is an apocalyptic number.

80420599 is a deficient number, since it is larger than the sum of its proper divisors (13046921).

80420599 is a wasteful number, since it uses less digits than its factorization.

80420599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194789.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 80420599 is about 8967.7532860801. The cubic root of 80420599 is about 431.6407460638.

The spelling of 80420599 in words is "eighty million, four hundred twenty thousand, five hundred ninety-nine".