85029836740 has 24 divisors (see below), whose sum is σ = 178702540632. Its totient is φ = 33985290240.

The previous prime is 85029836719. The next prime is 85029836741. The reversal of 85029836740 is 4763892058.

It can be written as a sum of positive squares in 4 ways, for example, as 16351248384 + 68678588356 = 127872^2 + 262066^2 .

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1639101 + ... + 1690180.

It is an arithmetic number, because the mean of its divisors is an integer number (7445939193).

Almost surely, 2^85029836740 is an apocalyptic number.

It is an amenable number.

85029836740 is an abundant number, since it is smaller than the sum of its proper divisors (93672703892).

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

85029836740 is a wasteful number, since it uses less digits than its factorization.

85029836740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3330567 (or 3330565 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 85029836740 in words is "eighty-five billion, twenty-nine million, eight hundred thirty-six thousand, seven hundred forty".