85429447702 has 16 divisors (see below), whose sum is σ = 129262950000. Its totient is φ = 42342948000.

The previous prime is 85429447679. The next prime is 85429447703. The reversal of 85429447702 is 20774492458.

It is a self number, because there is not a number n which added to its sum of digits gives 85429447702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85429447703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138549 + ... + 435952.

It is an arithmetic number, because the mean of its divisors is an integer number (8078934375).

Almost surely, 2^85429447702 is an apocalyptic number.

85429447702 is a deficient number, since it is larger than the sum of its proper divisors (43833502298).

85429447702 is a wasteful number, since it uses less digits than its factorization.

85429447702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575151.

The product of its (nonzero) digits is 4515840, while the sum is 52.

The spelling of 85429447702 in words is "eighty-five billion, four hundred twenty-nine million, four hundred forty-seven thousand, seven hundred two".