80070823 has 4 divisors (see below), whose sum is σ = 91509520. Its totient is φ = 68632128.

The previous prime is 80070803. The next prime is 80070871. The reversal of 80070823 is 32807008.

It is a happy number.

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 80070823 - 2⁹ = 80070311 is a prime.

It is a super-2 number, since 2×80070823² = 12822673391794658, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80070791 and 80070800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80070803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5719338 + ... + 5719351.

It is an arithmetic number, because the mean of its divisors is an integer number (22877380).

Almost surely, 2^80070823 is an apocalyptic number.

80070823 is a deficient number, since it is larger than the sum of its proper divisors (11438697).

80070823 is a wasteful number, since it uses less digits than its factorization.

80070823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11438696.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 80070823 is about 8948.2301602049. The cubic root of 80070823 is about 431.0140534426.

The spelling of 80070823 in words is "eighty million, seventy thousand, eight hundred twenty-three".