86840197039 has 8 divisors (see below), whose sum is σ = 87895644480. Its totient is φ = 85786521216.

The previous prime is 86840197021. The next prime is 86840197069. The reversal of 86840197039 is 93079104868.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86840197039 - 2²³ = 86831808431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86840197019) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 344142 + ... + 540475.

It is an arithmetic number, because the mean of its divisors is an integer number (10986955560).

Almost surely, 2^86840197039 is an apocalyptic number.

86840197039 is a gapful number since it is divisible by the number (89) formed by its first and last digit.

86840197039 is a deficient number, since it is larger than the sum of its proper divisors (1055447441).

86840197039 is a wasteful number, since it uses less digits than its factorization.

86840197039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885809.

The product of its (nonzero) digits is 2612736, while the sum is 55.

The spelling of 86840197039 in words is "eighty-six billion, eight hundred forty million, one hundred ninety-seven thousand, thirty-nine".