7980823 has 4 divisors (see below), whose sum is σ = 7986888. Its totient is φ = 7974760.

The previous prime is 7980821. The next prime is 7980859. The reversal of 7980823 is 3280897.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 7980823 - 2¹ = 7980821 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 (7980821) 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, 136 + ... + 3997.

It is an arithmetic number, because the mean of its divisors is an integer number (1996722).

Almost surely, 2^7980823 is an apocalyptic number.

7980823 is a deficient number, since it is larger than the sum of its proper divisors (6065).

7980823 is a wasteful number, since it uses less digits than its factorization.

7980823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6064.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 7980823 is about 2825.0350440304. The cubic root of 7980823 is about 199.8400638028.

The spelling of 7980823 in words is "seven million, nine hundred eighty thousand, eight hundred twenty-three".