947523671 has 2 divisors, whose sum is σ = 947523672. Its totient is φ = 947523670.

The previous prime is 947523623. The next prime is 947523697. The reversal of 947523671 is 176325749.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 947523671 - 2⁶ = 947523607 is a prime.

It is a super-2 number, since 2×947523671² = 1795602214210632482, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (947523371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 473761835 + 473761836.

It is an arithmetic number, because the mean of its divisors is an integer number (473761836).

Almost surely, 2^947523671 is an apocalyptic number.

947523671 is a deficient number, since it is larger than the sum of its proper divisors (1).

947523671 is an equidigital number, since it uses as much as digits as its factorization.

947523671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520, while the sum is 44.

The square root of 947523671 is about 30781.8724414224. The cubic root of 947523671 is about 982.1926716299.

The spelling of 947523671 in words is "nine hundred forty-seven million, five hundred twenty-three thousand, six hundred seventy-one".