86219550690 has 128 divisors (see below), whose sum is σ = 260602417152. Its totient is φ = 17768298240.

The previous prime is 86219550689. The next prime is 86219550719. The reversal of 86219550690 is 9605591268.

It is a super-2 number, since 2×86219550690² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 249846 + ... + 484625.

It is an arithmetic number, because the mean of its divisors is an integer number (2035956384).

Almost surely, 2^86219550690 is an apocalyptic number.

86219550690 is an abundant number, since it is smaller than the sum of its proper divisors (174382866462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86219550690 is a wasteful number, since it uses less digits than its factorization.

86219550690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734544.

The product of its (nonzero) digits is 1166400, while the sum is 51.

The spelling of 86219550690 in words is "eighty-six billion, two hundred nineteen million, five hundred fifty thousand, six hundred ninety".