8978723 has 8 divisors (see below), whose sum is σ = 9702000. Its totient is φ = 8260128.

The previous prime is 8978707. The next prime is 8978743. The reversal of 8978723 is 3278798.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8978723 - 2⁴ = 8978707 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8978743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3548 + ... + 5526.

It is an arithmetic number, because the mean of its divisors is an integer number (1212750).

Almost surely, 2^8978723 is an apocalyptic number.

8978723 is a deficient number, since it is larger than the sum of its proper divisors (723277).

8978723 is a wasteful number, since it uses less digits than its factorization.

8978723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2341.

The product of its digits is 169344, while the sum is 44.

The square root of 8978723 is about 2996.4517349692. The cubic root of 8978723 is about 207.8443346523.

The spelling of 8978723 in words is "eight million, nine hundred seventy-eight thousand, seven hundred twenty-three".