978366963 has 8 divisors (see below), whose sum is σ = 1490844928. Its totient is φ = 559066824.

The previous prime is 978366937. The next prime is 978366967. The reversal of 978366963 is 369663879.

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

It is not a de Polignac number, because 978366963 - 2¹² = 978362867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (978366967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23294431 + ... + 23294472.

It is an arithmetic number, because the mean of its divisors is an integer number (186355616).

Almost surely, 2^978366963 is an apocalyptic number.

978366963 is a deficient number, since it is larger than the sum of its proper divisors (512477965).

978366963 is a wasteful number, since it uses less digits than its factorization.

978366963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46588913.

The product of its digits is 8817984, while the sum is 57.

The square root of 978366963 is about 31278.8580833764. The cubic root of 978366963 is about 992.7363548707.

The spelling of 978366963 in words is "nine hundred seventy-eight million, three hundred sixty-six thousand, nine hundred sixty-three".