86611827078478 has 8 divisors (see below), whose sum is σ = 139911412972968. Its totient is φ = 39974689420824.

The previous prime is 86611827078437. The next prime is 86611827078481. The reversal of 86611827078478 is 87487072811668.

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

It is a self number, because there is not a number n which added to its sum of digits gives 86611827078478.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1665612059176 + ... + 1665612059227.

It is an arithmetic number, because the mean of its divisors is an integer number (17488926621621).

Almost surely, 2^{86611827078478} is an apocalyptic number.

86611827078478 is a deficient number, since it is larger than the sum of its proper divisors (53299585894490).

86611827078478 is a wasteful number, since it uses less digits than its factorization.

86611827078478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3331224118418.

The product of its (nonzero) digits is 404619264, while the sum is 73.

The spelling of 86611827078478 in words is "eighty-six trillion, six hundred eleven billion, eight hundred twenty-seven million, seventy-eight thousand, four hundred seventy-eight".