85013743 has 2 divisors, whose sum is σ = 85013744. Its totient is φ = 85013742.

The previous prime is 85013737. The next prime is 85013777. The reversal of 85013743 is 34731058.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85013743 - 2⁵ = 85013711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85013783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42506871 + 42506872.

It is an arithmetic number, because the mean of its divisors is an integer number (42506872).

Almost surely, 2^85013743 is an apocalyptic number.

85013743 is a deficient number, since it is larger than the sum of its proper divisors (1).

85013743 is an equidigital number, since it uses as much as digits as its factorization.

85013743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 85013743 is about 9220.2897459895. The cubic root of 85013743 is about 439.7066622644.

The spelling of 85013743 in words is "eighty-five million, thirteen thousand, seven hundred forty-three".