86620340678 has 8 divisors (see below), whose sum is σ = 134121817920. Its totient is φ = 41913068040.

The previous prime is 86620340663. The next prime is 86620340689. The reversal of 86620340678 is 87604302668.

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

It is a Curzon number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 698551073 + ... + 698551196.

It is an arithmetic number, because the mean of its divisors is an integer number (16765227240).

Almost surely, 2^86620340678 is an apocalyptic number.

86620340678 is a deficient number, since it is larger than the sum of its proper divisors (47501477242).

86620340678 is a wasteful number, since it uses less digits than its factorization.

86620340678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397102302.

The product of its (nonzero) digits is 2322432, while the sum is 50.

The spelling of 86620340678 in words is "eighty-six billion, six hundred twenty million, three hundred forty thousand, six hundred seventy-eight".