85393075940 has 12 divisors (see below), whose sum is σ = 179325459516. Its totient is φ = 34157230368.

The previous prime is 85393075919. The next prime is 85393075949. The reversal of 85393075940 is 4957039358.

It can be written as a sum of positive squares in 2 ways, for example, as 17714012836 + 67679063104 = 133094^2 + 260152^2 .

It is not an unprimeable number, because it can be changed into a prime (85393075949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2134826879 + ... + 2134826918.

It is an arithmetic number, because the mean of its divisors is an integer number (14943788293).

Almost surely, 2^85393075940 is an apocalyptic number.

It is an amenable number.

85393075940 is an abundant number, since it is smaller than the sum of its proper divisors (93932383576).

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

85393075940 is a wasteful number, since it uses less digits than its factorization.

85393075940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4269653806 (or 4269653804 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 53.

The spelling of 85393075940 in words is "eighty-five billion, three hundred ninety-three million, seventy-five thousand, nine hundred forty".