63216895858 has 8 divisors (see below), whose sum is σ = 95349241260. Its totient is φ = 31433815440.

The previous prime is 63216895843. The next prime is 63216895873. The reversal of 63216895858 is 85859861236.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (63216895843) and next prime (63216895873).

It can be written as a sum of positive squares in 2 ways, for example, as 57069865449 + 6147030409 = 238893^2 + 78403^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 63216895796 and 63216895805.

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, 87315793 + ... + 87316516.

Almost surely, 2^63216895858 is an apocalyptic number.

63216895858 is a deficient number, since it is larger than the sum of its proper divisors (32132345402).

63216895858 is a wasteful number, since it uses less digits than its factorization.

63216895858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174632492.

The product of its digits is 24883200, while the sum is 61.

The spelling of 63216895858 in words is "sixty-three billion, two hundred sixteen million, eight hundred ninety-five thousand, eight hundred fifty-eight".