947143804 has 6 divisors (see below), whose sum is σ = 1657501664. Its totient is φ = 473571900.

The previous prime is 947143801. The next prime is 947143807. The reversal of 947143804 is 408341749.

It is an interprime number because it is at equal distance from previous prime (947143801) and next prime (947143807).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (947143801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118392972 + ... + 118392979.

Almost surely, 2^947143804 is an apocalyptic number.

It is an amenable number.

947143804 is a deficient number, since it is larger than the sum of its proper divisors (710357860).

947143804 is a wasteful number, since it uses less digits than its factorization.

947143804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236785955 (or 236785953 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 947143804 is about 30775.7015192180. The cubic root of 947143804 is about 982.0613987601.

The spelling of 947143804 in words is "nine hundred forty-seven million, one hundred forty-three thousand, eight hundred four".