85029739 has 2 divisors, whose sum is σ = 85029740. Its totient is φ = 85029738.

The previous prime is 85029727. The next prime is 85029751. The reversal of 85029739 is 93792058.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (85029727) and next prime (85029751).

It is a cyclic number.

It is not a de Polignac number, because 85029739 - 2¹⁹ = 84505451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85029695 and 85029704.

It is not a weakly prime, because it can be changed into another prime (85029719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42514869 + 42514870.

It is an arithmetic number, because the mean of its divisors is an integer number (42514870).

Almost surely, 2^85029739 is an apocalyptic number.

85029739 is a deficient number, since it is larger than the sum of its proper divisors (1).

85029739 is an equidigital number, since it uses as much as digits as its factorization.

85029739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 85029739 is about 9221.1571399689. The cubic root of 85029739 is about 439.7342386163.

The spelling of 85029739 in words is "eighty-five million, twenty-nine thousand, seven hundred thirty-nine".