80127382919 has 4 divisors (see below), whose sum is σ = 81255937680. Its totient is φ = 78998828160.

The previous prime is 80127382903. The next prime is 80127382921. The reversal of 80127382919 is 91928372108.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80127382919 - 2⁴ = 80127382903 is a prime.

It is a super-2 number, since 2×80127382919² (a number of 23 digits) 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 (80127312919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 564277274 + ... + 564277415.

It is an arithmetic number, because the mean of its divisors is an integer number (20313984420).

Almost surely, 2^80127382919 is an apocalyptic number.

80127382919 is a deficient number, since it is larger than the sum of its proper divisors (1128554761).

80127382919 is a wasteful number, since it uses less digits than its factorization.

80127382919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128554760.

The product of its (nonzero) digits is 435456, while the sum is 50.

The spelling of 80127382919 in words is "eighty billion, one hundred twenty-seven million, three hundred eighty-two thousand, nine hundred nineteen".