80407503774769 has 4 divisors (see below), whose sum is σ = 80520913512820. Its totient is φ = 80294094036720.

The previous prime is 80407503774737. The next prime is 80407503774797. The reversal of 80407503774769 is 96747730570408.

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

It can be written as a sum of positive squares in 2 ways, for example, as 54214726194225 + 26192777580544 = 7363065^2 + 5117888^2 .

It is a cyclic number.

It is not a de Polignac number, because 80407503774769 - 2⁵ = 80407503774737 is a prime.

It is a super-2 number, since 2×80407503774769² (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 (80407503774469) 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, 56704867962 + ... + 56704869379.

It is an arithmetic number, because the mean of its divisors is an integer number (20130228378205).

Almost surely, 2^{80407503774769} is an apocalyptic number.

It is an amenable number.

80407503774769 is a deficient number, since it is larger than the sum of its proper divisors (113409738051).

80407503774769 is a wasteful number, since it uses less digits than its factorization.

80407503774769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113409738050.

The product of its (nonzero) digits is 248935680, while the sum is 67.

The spelling of 80407503774769 in words is "eighty trillion, four hundred seven billion, five hundred three million, seven hundred seventy-four thousand, seven hundred sixty-nine".