80277810447 has 8 divisors (see below), whose sum is σ = 107496468144. Its totient is φ = 53288846528.

The previous prime is 80277810377. The next prime is 80277810463. The reversal of 80277810447 is 74401877208.

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 80277810447 - 2²⁶ = 80210701583 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80277810396 and 80277810405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80277810247) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 57422628 + ... + 57424025.

It is an arithmetic number, because the mean of its divisors is an integer number (13437058518).

Almost surely, 2^80277810447 is an apocalyptic number.

80277810447 is a deficient number, since it is larger than the sum of its proper divisors (27218657697).

80277810447 is a wasteful number, since it uses less digits than its factorization.

80277810447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114846889.

The product of its (nonzero) digits is 702464, while the sum is 48.

The spelling of 80277810447 in words is "eighty billion, two hundred seventy-seven million, eight hundred ten thousand, four hundred forty-seven".