85429007 has 2 divisors, whose sum is σ = 85429008. Its totient is φ = 85429006.

The previous prime is 85428989. The next prime is 85429009. The reversal of 85429007 is 70092458.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85429007 - 2⁶ = 85428943 is a prime.

Together with 85429009, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85429009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42714503 + 42714504.

It is an arithmetic number, because the mean of its divisors is an integer number (42714504).

Almost surely, 2^85429007 is an apocalyptic number.

85429007 is a deficient number, since it is larger than the sum of its proper divisors (1).

85429007 is an equidigital number, since it uses as much as digits as its factorization.

85429007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 85429007 is about 9242.7813454609. The cubic root of 85429007 is about 440.4214402161.

The spelling of 85429007 in words is "eighty-five million, four hundred twenty-nine thousand, seven".