80710771 has 4 divisors (see below), whose sum is σ = 81816472. Its totient is φ = 79605072.

The previous prime is 80710769. The next prime is 80710811. The reversal of 80710771 is 17701708.

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 80710771 - 2¹ = 80710769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80710711) 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, 552741 + ... + 552886.

It is an arithmetic number, because the mean of its divisors is an integer number (20454118).

Almost surely, 2^80710771 is an apocalyptic number.

80710771 is a deficient number, since it is larger than the sum of its proper divisors (1105701).

80710771 is a wasteful number, since it uses less digits than its factorization.

80710771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105700.

The product of its (nonzero) digits is 2744, while the sum is 31.

The square root of 80710771 is about 8983.9173526920. The cubic root of 80710771 is about 432.1592687631.

The spelling of 80710771 in words is "eighty million, seven hundred ten thousand, seven hundred seventy-one".