85737019004 has 96 divisors (see below), whose sum is σ = 186713049600. Its totient is φ = 33542864640.

The previous prime is 85737018943. The next prime is 85737019099. The reversal of 85737019004 is 40091073758.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24557699 + ... + 24561189.

It is an arithmetic number, because the mean of its divisors is an integer number (1944927600).

Almost surely, 2^85737019004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85737019004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93356524800).

85737019004 is an abundant number, since it is smaller than the sum of its proper divisors (100976030596).

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

85737019004 is a wasteful number, since it uses less digits than its factorization.

85737019004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4243 (or 4241 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 44.

The spelling of 85737019004 in words is "eighty-five billion, seven hundred thirty-seven million, nineteen thousand, four".