851080391262 has 12 divisors (see below), whose sum is σ = 1844007514440. Its totient is φ = 283693463748.

The previous prime is 851080391237. The next prime is 851080391297. The reversal of 851080391262 is 262193080158.

851080391262 is a `hidden beast` number, since 8 + 510 + 8 + 0 + 3 + 9 + 126 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23641121962 + ... + 23641121997.

It is an arithmetic number, because the mean of its divisors is an integer number (153667292870).

Almost surely, 2^851080391262 is an apocalyptic number.

851080391262 is an abundant number, since it is smaller than the sum of its proper divisors (992927123178).

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

851080391262 is a wasteful number, since it uses less digits than its factorization.

851080391262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47282243967 (or 47282243964 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 851080391262 in words is "eight hundred fifty-one billion, eighty million, three hundred ninety-one thousand, two hundred sixty-two".