974779609 has 8 divisors (see below), whose sum is σ = 1038454560. Its totient is φ = 911808576.

The previous prime is 974779601. The next prime is 974779613. The reversal of 974779609 is 906977479.

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 974779609 - 2³ = 974779601 is a prime.

It is a super-2 number, since 2×974779609² = 1900390572244385762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (974779601) 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 7 ways as a sum of consecutive naturals, for example, 173119 + ... + 178660.

It is an arithmetic number, because the mean of its divisors is an integer number (129806820).

Almost surely, 2^974779609 is an apocalyptic number.

It is an amenable number.

974779609 is a deficient number, since it is larger than the sum of its proper divisors (63674951).

974779609 is a wasteful number, since it uses less digits than its factorization.

974779609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351959.

The product of its (nonzero) digits is 6001128, while the sum is 58.

The square root of 974779609 is about 31221.4607121448. The cubic root of 974779609 is about 991.5215215607.

The spelling of 974779609 in words is "nine hundred seventy-four million, seven hundred seventy-nine thousand, six hundred nine".