974988889479 has 48 divisors (see below), whose sum is σ = 1611440962560. Its totient is φ = 562699327680.

The previous prime is 974988889451. The next prime is 974988889517.

974988889479 is a `hidden beast` number, since 97 + 49 + 8 + 8 + 8 + 8 + 9 + 479 = 666.

974988889479 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 974988889479 - 2⁵ = 974988889447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (974988881479) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2659459 + ... + 3003780.

It is an arithmetic number, because the mean of its divisors is an integer number (33571686720).

Almost surely, 2^974988889479 is an apocalyptic number.

974988889479 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

974988889479 is a deficient number, since it is larger than the sum of its proper divisors (636452073081).

974988889479 is a wasteful number, since it uses less digits than its factorization.

974988889479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5663340 (or 5663337 counting only the distinct ones).

The product of its digits is 21069103104, while the sum is 90.

The spelling of 974988889479 in words is "nine hundred seventy-four billion, nine hundred eighty-eight million, eight hundred eighty-nine thousand, four hundred seventy-nine".