80398719 has 6 divisors (see below), whose sum is σ = 116131496. Its totient is φ = 53599140.

The previous prime is 80398711. The next prime is 80398723. The reversal of 80398719 is 91789308.

It is not a de Polignac number, because 80398719 - 2³ = 80398711 is a prime.

It is a super-2 number, since 2×80398719² = 12927908033681922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80398711) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4466587 + ... + 4466604.

Almost surely, 2^80398719 is an apocalyptic number.

80398719 is a deficient number, since it is larger than the sum of its proper divisors (35732777).

80398719 is a wasteful number, since it uses less digits than its factorization.

80398719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8933197 (or 8933194 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 80398719 is about 8966.5332765791. The cubic root of 80398719 is about 431.6015970718.

The spelling of 80398719 in words is "eighty million, three hundred ninety-eight thousand, seven hundred nineteen".