920043671 has 2 divisors, whose sum is σ = 920043672. Its totient is φ = 920043670.

The previous prime is 920043667. The next prime is 920043713. The reversal of 920043671 is 176340029.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 920043671 - 2² = 920043667 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (920043611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460021835 + 460021836.

It is an arithmetic number, because the mean of its divisors is an integer number (460021836).

Almost surely, 2^920043671 is an apocalyptic number.

920043671 is a deficient number, since it is larger than the sum of its proper divisors (1).

920043671 is an equidigital number, since it uses as much as digits as its factorization.

920043671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 920043671 is about 30332.2216627797. The cubic root of 920043671 is about 972.6042150792.

The spelling of 920043671 in words is "nine hundred twenty million, forty-three thousand, six hundred seventy-one".