86725381842 has 48 divisors (see below), whose sum is σ = 205059621312. Its totient is φ = 26271142560.

The previous prime is 86725381793. The next prime is 86725381879. The reversal of 86725381842 is 24818352768.

86725381842 is a `hidden beast` number, since 8 + 67 + 2 + 538 + 1 + 8 + 42 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

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 23 ways as a sum of consecutive naturals, for example, 495768 + ... + 647484.

It is an arithmetic number, because the mean of its divisors is an integer number (4272075444).

Almost surely, 2^86725381842 is an apocalyptic number.

86725381842 is an abundant number, since it is smaller than the sum of its proper divisors (118334239470).

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

86725381842 is a wasteful number, since it uses less digits than its factorization.

86725381842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154623 (or 154620 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 54.

The spelling of 86725381842 in words is "eighty-six billion, seven hundred twenty-five million, three hundred eighty-one thousand, eight hundred forty-two".