86678557543358 has 16 divisors (see below), whose sum is σ = 141845195698416. Its totient is φ = 39397245426240.

The previous prime is 86678557543327. The next prime is 86678557543451. The reversal of 86678557543358 is 85334575587668.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104523191 + ... + 105349202.

It is an arithmetic number, because the mean of its divisors is an integer number (8865324731151).

Almost surely, 2^{86678557543358} is an apocalyptic number.

86678557543358 is a deficient number, since it is larger than the sum of its proper divisors (55166638155058).

86678557543358 is a wasteful number, since it uses less digits than its factorization.

86678557543358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209891179.

The product of its digits is 20321280000, while the sum is 80.

The spelling of 86678557543358 in words is "eighty-six trillion, six hundred seventy-eight billion, five hundred fifty-seven million, five hundred forty-three thousand, three hundred fifty-eight".