80486448587777 has 8 divisors (see below), whose sum is σ = 83179174586760. Its totient is φ = 77828467440640.

The previous prime is 80486448587711. The next prime is 80486448587827. The reversal of 80486448587777 is 77778584468408.

It is a Cunningham number, because it is equal to 8971424²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1 + 80486448587776 = 1^2 + 8971424^2 .

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 80486448587777 - 2³² = 80482153620481 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80486448587695 and 80486448587704.

It is not an unprimeable number, because it can be changed into a prime (80486448589777) 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, 8686208252 + ... + 8686217517.

It is an arithmetic number, because the mean of its divisors is an integer number (10397396823345).

Almost surely, 2^{80486448587777} is an apocalyptic number.

It is an amenable number.

80486448587777 is a deficient number, since it is larger than the sum of its proper divisors (2692725998983).

80486448587777 is a wasteful number, since it uses less digits than its factorization.

80486448587777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17372425923.

The product of its (nonzero) digits is 18882232320, while the sum is 83.

The spelling of 80486448587777 in words is "eighty trillion, four hundred eighty-six billion, four hundred forty-eight million, five hundred eighty-seven thousand, seven hundred seventy-seven".