80774037671 has 4 divisors (see below), whose sum is σ = 80775739344. Its totient is φ = 80772336000.

The previous prime is 80774037661. The next prime is 80774037683. The reversal of 80774037671 is 17673047708.

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

It is a cyclic number.

It is not a de Polignac number, because 80774037671 - 2¹⁰ = 80774036647 is a prime.

It is a super-2 number, since 2×80774037671² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80774037661) 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, 777530 + ... + 875271.

It is an arithmetic number, because the mean of its divisors is an integer number (20193934836).

Almost surely, 2^80774037671 is an apocalyptic number.

80774037671 is a deficient number, since it is larger than the sum of its proper divisors (1701673).

80774037671 is a wasteful number, since it uses less digits than its factorization.

80774037671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1701672.

The product of its (nonzero) digits is 1382976, while the sum is 50.

The spelling of 80774037671 in words is "eighty billion, seven hundred seventy-four million, thirty-seven thousand, six hundred seventy-one".