85831028505292 has 24 divisors (see below), whose sum is σ = 172129801055744. Its totient is φ = 36684495635472.

The previous prime is 85831028505269. The next prime is 85831028505361. The reversal of 85831028505292 is 29250582013858.

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, 4176275658 + ... + 4176296209.

Almost surely, 2^{85831028505292} is an apocalyptic number.

It is an amenable number.

85831028505292 is an abundant number, since it is smaller than the sum of its proper divisors (86298772550452).

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

85831028505292 is a wasteful number, since it uses less digits than its factorization.

85831028505292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8352572245 (or 8352572243 counting only the distinct ones).

The product of its (nonzero) digits is 13824000, while the sum is 58.

The spelling of 85831028505292 in words is "eighty-five trillion, eight hundred thirty-one billion, twenty-eight million, five hundred five thousand, two hundred ninety-two".