80767823 has 4 divisors (see below), whose sum is σ = 80789808. Its totient is φ = 80745840.

The previous prime is 80767807. The next prime is 80767829. The reversal of 80767823 is 32876708.

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 80767823 - 2⁴ = 80767807 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 (80767829) 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, 3998 + ... + 13323.

It is an arithmetic number, because the mean of its divisors is an integer number (20197452).

Almost surely, 2^80767823 is an apocalyptic number.

80767823 is a deficient number, since it is larger than the sum of its proper divisors (21985).

80767823 is a wasteful number, since it uses less digits than its factorization.

80767823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21984.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 80767823 is about 8987.0920213382. The cubic root of 80767823 is about 432.2610715467.

The spelling of 80767823 in words is "eighty million, seven hundred sixty-seven thousand, eight hundred twenty-three".