80281892638 has 8 divisors (see below), whose sum is σ = 120438856080. Its totient is φ = 40135607280.

The previous prime is 80281892627. The next prime is 80281892657. The reversal of 80281892638 is 83629818208.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2650698 + ... + 2680813.

It is an arithmetic number, because the mean of its divisors is an integer number (15054857010).

Almost surely, 2^80281892638 is an apocalyptic number.

80281892638 is a deficient number, since it is larger than the sum of its proper divisors (40156963442).

80281892638 is a wasteful number, since it uses less digits than its factorization.

80281892638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5339042.

The product of its (nonzero) digits is 2654208, while the sum is 55.

The spelling of 80281892638 in words is "eighty billion, two hundred eighty-one million, eight hundred ninety-two thousand, six hundred thirty-eight".