85029836742 has 12 divisors (see below), whose sum is σ = 184231312980. Its totient is φ = 28343278908.

The previous prime is 85029836741. The next prime is 85029836777. The reversal of 85029836742 is 24763892058.

85029836742 is a `hidden beast` number, since 8 + 502 + 98 + 3 + 6 + 7 + 42 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85029836741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2361939892 + ... + 2361939927.

It is an arithmetic number, because the mean of its divisors is an integer number (15352609415).

Almost surely, 2^85029836742 is an apocalyptic number.

85029836742 is an abundant number, since it is smaller than the sum of its proper divisors (99201476238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85029836742 is a wasteful number, since it uses less digits than its factorization.

85029836742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4723879827 (or 4723879824 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 85029836742 in words is "eighty-five billion, twenty-nine million, eight hundred thirty-six thousand, seven hundred forty-two".