80700311 has 4 divisors (see below), whose sum is σ = 80731152. Its totient is φ = 80669472.

The previous prime is 80700299. The next prime is 80700329. The reversal of 80700311 is 11300708.

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 80700311 - 2⁶ = 80700247 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 (80700331) 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, 11090 + ... + 16863.

It is an arithmetic number, because the mean of its divisors is an integer number (20182788).

Almost surely, 2^80700311 is an apocalyptic number.

80700311 is a deficient number, since it is larger than the sum of its proper divisors (30841).

80700311 is a wasteful number, since it uses less digits than its factorization.

80700311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30840.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 80700311 is about 8983.3351824364. The cubic root of 80700311 is about 432.1405988830.

The spelling of 80700311 in words is "eighty million, seven hundred thousand, three hundred eleven".