85379743 has 2 divisors, whose sum is σ = 85379744. Its totient is φ = 85379742.

The previous prime is 85379719. The next prime is 85379761. The reversal of 85379743 is 34797358.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85379743 - 2²⁵ = 51825311 is a prime.

It is a super-4 number, since 4×85379743⁴ (a number of 33 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 85379693 and 85379702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85379773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42689871 + 42689872.

It is an arithmetic number, because the mean of its divisors is an integer number (42689872).

Almost surely, 2^85379743 is an apocalyptic number.

85379743 is a deficient number, since it is larger than the sum of its proper divisors (1).

85379743 is an equidigital number, since it uses as much as digits as its factorization.

85379743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 46.

The square root of 85379743 is about 9240.1159624758. The cubic root of 85379743 is about 440.3367652540.

The spelling of 85379743 in words is "eighty-five million, three hundred seventy-nine thousand, seven hundred forty-three".