947903427 has 6 divisors (see below), whose sum is σ = 1369193852. Its totient is φ = 631935612.

The previous prime is 947903423. The next prime is 947903441. The reversal of 947903427 is 724309749.

It is not a de Polignac number, because 947903427 - 2² = 947903423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (947903423) 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, 52661293 + ... + 52661310.

Almost surely, 2^947903427 is an apocalyptic number.

947903427 is a deficient number, since it is larger than the sum of its proper divisors (421290425).

947903427 is a wasteful number, since it uses less digits than its factorization.

947903427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105322609 (or 105322606 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The square root of 947903427 is about 30788.0403241259. The cubic root of 947903427 is about 982.3238710754.

The spelling of 947903427 in words is "nine hundred forty-seven million, nine hundred three thousand, four hundred twenty-seven".