85851832860388 has 48 divisors (see below), whose sum is σ = 173567250102400. Its totient is φ = 36395426476800.

The previous prime is 85851832860379. The next prime is 85851832860413. The reversal of 85851832860388 is 88306823815858.

It is a self number, because there is not a number n which added to its sum of digits gives 85851832860388.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21568158 + ... + 25236661.

Almost surely, 2^{85851832860388} is an apocalyptic number.

It is an amenable number.

85851832860388 is an abundant number, since it is smaller than the sum of its proper divisors (87715417242012).

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

85851832860388 is a wasteful number, since it uses less digits than its factorization.

85851832860388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46805540 (or 46805538 counting only the distinct ones).

The product of its (nonzero) digits is 707788800, while the sum is 73.

The spelling of 85851832860388 in words is "eighty-five trillion, eight hundred fifty-one billion, eight hundred thirty-two million, eight hundred sixty thousand, three hundred eighty-eight".