80680751362777 has 4 divisors (see below), whose sum is σ = 84927106697680. Its totient is φ = 76434396027876.

The previous prime is 80680751362721. The next prime is 80680751362787. The reversal of 80680751362777 is 77726315708608.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80680751362777 is a prime.

It is a super-2 number, since 2×80680751362777² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80680751362787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2123177667423 + ... + 2123177667460.

It is an arithmetic number, because the mean of its divisors is an integer number (21231776674420).

Almost surely, 2^{80680751362777} is an apocalyptic number.

It is an amenable number.

80680751362777 is a deficient number, since it is larger than the sum of its proper divisors (4246355334903).

80680751362777 is a wasteful number, since it uses less digits than its factorization.

80680751362777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4246355334902.

The product of its (nonzero) digits is 165957120, while the sum is 67.

The spelling of 80680751362777 in words is "eighty trillion, six hundred eighty billion, seven hundred fifty-one million, three hundred sixty-two thousand, seven hundred seventy-seven".