80497619 has 8 divisors (see below), whose sum is σ = 83244240. Its totient is φ = 77796576.

The previous prime is 80497609. The next prime is 80497621. The reversal of 80497619 is 91679408.

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 80497619 - 2²⁰ = 79449043 is a prime.

It is a super-2 number, since 2×80497619² = 12959733329338322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80497619.

It is not an unprimeable number, because it can be changed into a prime (80497609) 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, 7784 + ... + 14885.

It is an arithmetic number, because the mean of its divisors is an integer number (10405530).

Almost surely, 2^80497619 is an apocalyptic number.

80497619 is a deficient number, since it is larger than the sum of its proper divisors (2746621).

80497619 is a wasteful number, since it uses less digits than its factorization.

80497619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22789.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 80497619 is about 8972.0465335396. The cubic root of 80497619 is about 431.7784983447.

The spelling of 80497619 in words is "eighty million, four hundred ninety-seven thousand, six hundred nineteen".