85702535890 has 32 divisors (see below), whose sum is σ = 157899145536. Its totient is φ = 33473805120.

The previous prime is 85702535881. The next prime is 85702535903. The reversal of 85702535890 is 9853520758.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1507624 + ... + 1563436.

It is an arithmetic number, because the mean of its divisors is an integer number (4934348298).

Almost surely, 2^85702535890 is an apocalyptic number.

85702535890 is a deficient number, since it is larger than the sum of its proper divisors (72196609646).

85702535890 is a wasteful number, since it uses less digits than its factorization.

85702535890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59434.

The product of its (nonzero) digits is 3024000, while the sum is 52.

The spelling of 85702535890 in words is "eighty-five billion, seven hundred two million, five hundred thirty-five thousand, eight hundred ninety".