86742120042309 has 16 divisors (see below), whose sum is σ = 116778886202880. Its totient is φ = 57267104246640.

The previous prime is 86742120042301. The next prime is 86742120042313. The reversal of 86742120042309 is 90324002124768.

It is not a de Polignac number, because 86742120042309 - 2³ = 86742120042301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86742120042301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47514099 + ... + 49305920.

It is an arithmetic number, because the mean of its divisors is an integer number (7298680387680).

Almost surely, 2^{86742120042309} is an apocalyptic number.

It is an amenable number.

86742120042309 is a deficient number, since it is larger than the sum of its proper divisors (30036766160571).

86742120042309 is a wasteful number, since it uses less digits than its factorization.

86742120042309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96822920.

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 86742120042309 in words is "eighty-six trillion, seven hundred forty-two billion, one hundred twenty million, forty-two thousand, three hundred nine".