947012247 has 6 divisors (see below), whose sum is σ = 1367906592. Its totient is φ = 631341492.

The previous prime is 947012221. The next prime is 947012249. The reversal of 947012247 is 742210749.

It is not a de Polignac number, because 947012247 - 2¹⁵ = 946979479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (947012249) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52611783 + ... + 52611800.

It is an arithmetic number, because the mean of its divisors is an integer number (227984432).

Almost surely, 2^947012247 is an apocalyptic number.

947012247 is a deficient number, since it is larger than the sum of its proper divisors (420894345).

947012247 is a wasteful number, since it uses less digits than its factorization.

947012247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105223589 (or 105223586 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 947012247 is about 30773.5640932278. The cubic root of 947012247 is about 982.0159276525.

The spelling of 947012247 in words is "nine hundred forty-seven million, twelve thousand, two hundred forty-seven".