978610023 has 12 divisors (see below), whose sum is σ = 1417186680. Its totient is φ = 650727216.

The previous prime is 978610001. The next prime is 978610027. The reversal of 978610023 is 320016879.

It is not a de Polignac number, because 978610023 - 2²⁰ = 977561447 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 978610023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (978610027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136261 + ... + 143262.

It is an arithmetic number, because the mean of its divisors is an integer number (118098890).

Almost surely, 2^978610023 is an apocalyptic number.

978610023 is a deficient number, since it is larger than the sum of its proper divisors (438576657).

978610023 is a wasteful number, since it uses less digits than its factorization.

978610023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279918 (or 279915 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 978610023 is about 31282.7432141109. The cubic root of 978610023 is about 992.8185580141.

The spelling of 978610023 in words is "nine hundred seventy-eight million, six hundred ten thousand, twenty-three".