80807400071 has 4 divisors (see below), whose sum is σ = 80820341712. Its totient is φ = 80794458432.

The previous prime is 80807400019. The next prime is 80807400101. The reversal of 80807400071 is 17000470808.

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 80807400071 - 2¹⁸ = 80807137927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80807409071) 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, 6461450 + ... + 6473943.

It is an arithmetic number, because the mean of its divisors is an integer number (20205085428).

Almost surely, 2^80807400071 is an apocalyptic number.

80807400071 is a deficient number, since it is larger than the sum of its proper divisors (12941641).

80807400071 is a wasteful number, since it uses less digits than its factorization.

80807400071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12941640.

The product of its (nonzero) digits is 12544, while the sum is 35.

Adding to 80807400071 its reverse (17000470808), we get a palindrome (97807870879).

The spelling of 80807400071 in words is "eighty billion, eight hundred seven million, four hundred thousand, seventy-one".