80400713 has 4 divisors (see below), whose sum is σ = 82361748. Its totient is φ = 78439680.

The previous prime is 80400703. The next prime is 80400721. The reversal of 80400713 is 31700408.

It is a happy number.

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 19123129 + 61277584 = 4373^2 + 7828^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80400713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80400703) 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, 980456 + ... + 980537.

It is an arithmetic number, because the mean of its divisors is an integer number (20590437).

Almost surely, 2^80400713 is an apocalyptic number.

It is an amenable number.

80400713 is a deficient number, since it is larger than the sum of its proper divisors (1961035).

80400713 is a wasteful number, since it uses less digits than its factorization.

80400713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1961034.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 80400713 is about 8966.6444671348. The cubic root of 80400713 is about 431.6051651488.

The spelling of 80400713 in words is "eighty million, four hundred thousand, seven hundred thirteen".