86780215101 has 8 divisors (see below), whose sum is σ = 115904071584. Its totient is φ = 57754917680.

The previous prime is 86780215063. The next prime is 86780215127. The reversal of 86780215101 is 10151208768.

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 86780215101 - 2⁷ = 86780214973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86780215101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86780215141) 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, 24637710 + ... + 24641231.

It is an arithmetic number, because the mean of its divisors is an integer number (14488008948).

Almost surely, 2^86780215101 is an apocalyptic number.

It is an amenable number.

86780215101 is a deficient number, since it is larger than the sum of its proper divisors (29123856483).

86780215101 is a wasteful number, since it uses less digits than its factorization.

86780215101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49279531.

The product of its (nonzero) digits is 26880, while the sum is 39.

The spelling of 86780215101 in words is "eighty-six billion, seven hundred eighty million, two hundred fifteen thousand, one hundred one".