621197483496884 has 48 divisors (see below), whose sum is σ = 1252619621879808. Its totient is φ = 264037975423488.

The previous prime is 621197483496809. The next prime is 621197483496901. The reversal of 621197483496884 is 488694384791126.

It is a super-2 number, since 2×621197483496884² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 621197483496799 and 621197483496808.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20757119 + ... + 40905414.

It is an arithmetic number, because the mean of its divisors is an integer number (26096242122496).

Almost surely, 2^{621197483496884} is an apocalyptic number.

It is an amenable number.

621197483496884 is an abundant number, since it is smaller than the sum of its proper divisors (631422138382924).

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

621197483496884 is a wasteful number, since it uses less digits than its factorization.

621197483496884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61665504 (or 61665502 counting only the distinct ones).

The product of its digits is 4013162496, while the sum is 80.

The spelling of 621197483496884 in words is "six hundred twenty-one trillion, one hundred ninety-seven billion, four hundred eighty-three million, four hundred ninety-six thousand, eight hundred eighty-four".