86542174750782 has 64 divisors (see below), whose sum is σ = 180680889586176. Its totient is φ = 27582292129920.

The previous prime is 86542174750777. The next prime is 86542174750793. The reversal of 86542174750782 is 28705747124568.

It is a super-2 number, since 2×86542174750782² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5004454128 + ... + 5004471420.

It is an arithmetic number, because the mean of its divisors is an integer number (2823138899784).

Almost surely, 2^{86542174750782} is an apocalyptic number.

86542174750782 is an abundant number, since it is smaller than the sum of its proper divisors (94138714835394).

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

86542174750782 is a wasteful number, since it uses less digits than its factorization.

86542174750782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29505.

The product of its (nonzero) digits is 210739200, while the sum is 66.

The spelling of 86542174750782 in words is "eighty-six trillion, five hundred forty-two billion, one hundred seventy-four million, seven hundred fifty thousand, seven hundred eighty-two".