621097900876 has 18 divisors (see below), whose sum is σ = 1144140368420. Its totient is φ = 294201014400.

The previous prime is 621097900873. The next prime is 621097900993. The reversal of 621097900876 is 678009790126.

It is not an unprimeable number, because it can be changed into a prime (621097900873) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6825276 + ... + 6915676.

Almost surely, 2^621097900876 is an apocalyptic number.

It is an amenable number.

621097900876 is a deficient number, since it is larger than the sum of its proper divisors (523042467544).

621097900876 is an frugal number, since it uses more digits than its factorization.

621097900876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180825 (or 90422 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 55.

The spelling of 621097900876 in words is "six hundred twenty-one billion, ninety-seven million, nine hundred thousand, eight hundred seventy-six".