85739397292 has 24 divisors (see below), whose sum is σ = 154380728880. Its totient is φ = 41639831040.

The previous prime is 85739397287. The next prime is 85739397301. The reversal of 85739397292 is 29279393758.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1114317 + ... + 1188772.

It is an arithmetic number, because the mean of its divisors is an integer number (6432530370).

Almost surely, 2^85739397292 is an apocalyptic number.

85739397292 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

85739397292 is a deficient number, since it is larger than the sum of its proper divisors (68641331588).

85739397292 is a wasteful number, since it uses less digits than its factorization.

85739397292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2303361 (or 2303359 counting only the distinct ones).

The product of its digits is 51438240, while the sum is 64.

The spelling of 85739397292 in words is "eighty-five billion, seven hundred thirty-nine million, three hundred ninety-seven thousand, two hundred ninety-two".