974579663 has 4 divisors (see below), whose sum is σ = 975655080. Its totient is φ = 973504248.

The previous prime is 974579653. The next prime is 974579677. The reversal of 974579663 is 366975479.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 366975479 = 13 ⋅28228883.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-974579663 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 974579599 and 974579608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (974579633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 536348 + ... + 538161.

It is an arithmetic number, because the mean of its divisors is an integer number (243913770).

Almost surely, 2^974579663 is an apocalyptic number.

974579663 is a deficient number, since it is larger than the sum of its proper divisors (1075417).

974579663 is a wasteful number, since it uses less digits than its factorization.

974579663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075416.

The product of its digits is 8573040, while the sum is 56.

The square root of 974579663 is about 31218.2584876223. The cubic root of 974579663 is about 991.4537235624.

The spelling of 974579663 in words is "nine hundred seventy-four million, five hundred seventy-nine thousand, six hundred sixty-three".