85434007 has 2 divisors, whose sum is σ = 85434008. Its totient is φ = 85434006.

The previous prime is 85434001. The next prime is 85434023. The reversal of 85434007 is 70043458.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85434007 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85434007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85434001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42717003 + 42717004.

It is an arithmetic number, because the mean of its divisors is an integer number (42717004).

Almost surely, 2^85434007 is an apocalyptic number.

85434007 is a deficient number, since it is larger than the sum of its proper divisors (1).

85434007 is an equidigital number, since it uses as much as digits as its factorization.

85434007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 85434007 is about 9243.0518228559. The cubic root of 85434007 is about 440.4300323962.

The spelling of 85434007 in words is "eighty-five million, four hundred thirty-four thousand, seven".