859484988550 has 48 divisors (see below), whose sum is σ = 1632856776192. Its totient is φ = 336437799200.

The previous prime is 859484988521. The next prime is 859484988559. The reversal of 859484988550 is 55889484958.

It is a super-2 number, since 2×859484988550² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (859484988559) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24965649 + ... + 25000051.

It is an arithmetic number, because the mean of its divisors is an integer number (34017849504).

Almost surely, 2^859484988550 is an apocalyptic number.

859484988550 is a deficient number, since it is larger than the sum of its proper divisors (773371787642).

859484988550 is a wasteful number, since it uses less digits than its factorization.

859484988550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45093 (or 45088 counting only the distinct ones).

The product of its (nonzero) digits is 663552000, while the sum is 73.

The spelling of 859484988550 in words is "eight hundred fifty-nine billion, four hundred eighty-four million, nine hundred eighty-eight thousand, five hundred fifty".