947267997 has 8 divisors (see below), whose sum is σ = 1360179744. Its totient is φ = 582934128.

The previous prime is 947267989. The next prime is 947268017. The reversal of 947267997 is 799762749.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 947267997 - 2³ = 947267989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 947267997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (947267917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12144423 + ... + 12144500.

It is an arithmetic number, because the mean of its divisors is an integer number (170022468).

Almost surely, 2^947267997 is an apocalyptic number.

It is an amenable number.

947267997 is a deficient number, since it is larger than the sum of its proper divisors (412911747).

947267997 is a wasteful number, since it uses less digits than its factorization.

947267997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24288939.

The product of its digits is 12002256, while the sum is 60.

The square root of 947267997 is about 30777.7191650064. The cubic root of 947267997 is about 982.1043207256.

The spelling of 947267997 in words is "nine hundred forty-seven million, two hundred sixty-seven thousand, nine hundred ninety-seven".