80688419 has 8 divisors (see below), whose sum is σ = 93955680. Its totient is φ = 67856256.

The previous prime is 80688403. The next prime is 80688431. The reversal of 80688419 is 91488608.

It is a happy number.

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 80688419 - 2⁴ = 80688403 is a prime.

It is a super-2 number, since 2×80688419² = 13021241921439122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80688419.

It is not an unprimeable number, because it can be changed into a prime (80688499) 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, 108374 + ... + 109115.

It is an arithmetic number, because the mean of its divisors is an integer number (11744460).

Almost surely, 2^80688419 is an apocalyptic number.

80688419 is a deficient number, since it is larger than the sum of its proper divisors (13267261).

80688419 is a wasteful number, since it uses less digits than its factorization.

80688419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217549.

The product of its (nonzero) digits is 110592, while the sum is 44.

The square root of 80688419 is about 8982.6732657934. The cubic root of 80688419 is about 432.1193710902.

The spelling of 80688419 in words is "eighty million, six hundred eighty-eight thousand, four hundred nineteen".