86550821402 has 8 divisors (see below), whose sum is σ = 129829759200. Its totient is φ = 43274235004.

The previous prime is 86550821389. The next prime is 86550821417. The reversal of 86550821402 is 20412805568.

It is a happy number.

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 86550821402.

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, 492752 + ... + 644907.

It is an arithmetic number, because the mean of its divisors is an integer number (16228719900).

Almost surely, 2^86550821402 is an apocalyptic number.

86550821402 is a deficient number, since it is larger than the sum of its proper divisors (43278937798).

86550821402 is a wasteful number, since it uses less digits than its factorization.

86550821402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175700.

The product of its (nonzero) digits is 153600, while the sum is 41.

The spelling of 86550821402 in words is "eighty-six billion, five hundred fifty million, eight hundred twenty-one thousand, four hundred two".