947329579261 has 12 divisors (see below), whose sum is σ = 1026009564852. Its totient is φ = 874285042176.

The previous prime is 947329579243. The next prime is 947329579267. The reversal of 947329579261 is 162975923749.

It can be written as a sum of positive squares in 6 ways, for example, as 36287964036 + 911041615225 = 190494^2 + 954485^2 .

It is not a de Polignac number, because 947329579261 - 2³⁹ = 397573765373 is a prime.

It is a super-2 number, since 2×947329579261² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 947329579193 and 947329579202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (947329579267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 305965 + ... + 1410061.

It is an arithmetic number, because the mean of its divisors is an integer number (85500797071).

Almost surely, 2^947329579261 is an apocalyptic number.

It is an amenable number.

947329579261 is a deficient number, since it is larger than the sum of its proper divisors (78679985591).

947329579261 is a wasteful number, since it uses less digits than its factorization.

947329579261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109200 (or 1109187 counting only the distinct ones).

The product of its digits is 51438240, while the sum is 64.

The spelling of 947329579261 in words is "nine hundred forty-seven billion, three hundred twenty-nine million, five hundred seventy-nine thousand, two hundred sixty-one".