86654055778 has 8 divisors (see below), whose sum is σ = 131626414080. Its totient is φ = 42778584420.

The previous prime is 86654055767. The next prime is 86654055779. The reversal of 86654055778 is 87755045668.

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

It is not an unprimeable number, because it can be changed into a prime (86654055779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274221538 + ... + 274221853.

It is an arithmetic number, because the mean of its divisors is an integer number (16453301760).

Almost surely, 2^86654055778 is an apocalyptic number.

86654055778 is a deficient number, since it is larger than the sum of its proper divisors (44972358302).

86654055778 is a wasteful number, since it uses less digits than its factorization.

86654055778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548443472.

The product of its (nonzero) digits is 56448000, while the sum is 61.

The spelling of 86654055778 in words is "eighty-six billion, six hundred fifty-four million, fifty-five thousand, seven hundred seventy-eight".