947082261 has 16 divisors (see below), whose sum is σ = 1307476800. Its totient is φ = 609076608.

The previous prime is 947082211. The next prime is 947082287. The reversal of 947082261 is 162280749.

It is not a de Polignac number, because 947082261 - 2⁷ = 947082133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (947082211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109545 + ... + 117873.

It is an arithmetic number, because the mean of its divisors is an integer number (81717300).

Almost surely, 2^947082261 is an apocalyptic number.

It is an amenable number.

947082261 is a deficient number, since it is larger than the sum of its proper divisors (360394539).

947082261 is a wasteful number, since it uses less digits than its factorization.

947082261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9668.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 947082261 is about 30774.7016394960. The cubic root of 947082261 is about 982.0401276805.

It can be divided in two parts, 94708 and 2261, that added together give a palindrome (96969).

The spelling of 947082261 in words is "nine hundred forty-seven million, eighty-two thousand, two hundred sixty-one".