873395921620 has 24 divisors (see below), whose sum is σ = 1834296091488. Its totient is φ = 349327005600.

The previous prime is 873395921557. The next prime is 873395921641. The reversal of 873395921620 is 26129593378.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1731186 + ... + 2178025.

It is an arithmetic number, because the mean of its divisors is an integer number (76429003812).

Almost surely, 2^873395921620 is an apocalyptic number.

It is an amenable number.

873395921620 is an abundant number, since it is smaller than the sum of its proper divisors (960900169868).

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

873395921620 is a wasteful number, since it uses less digits than its factorization.

873395921620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3920391 (or 3920389 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 55.

The spelling of 873395921620 in words is "eight hundred seventy-three billion, three hundred ninety-five million, nine hundred twenty-one thousand, six hundred twenty".