873420815348 has 6 divisors (see below), whose sum is σ = 1528486426866. Its totient is φ = 436710407672.

The previous prime is 873420815339. The next prime is 873420815417. The reversal of 873420815348 is 843518024378.

It can be written as a sum of positive squares in only one way, i.e., 504366995344 + 369053820004 = 710188^2 + 607498^2 .

It is a super-2 number, since 2×873420815348² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 873420815348.

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 as a sum of consecutive naturals, namely, 109177601915 + ... + 109177601922.

It is an arithmetic number, because the mean of its divisors is an integer number (254747737811).

Almost surely, 2^873420815348 is an apocalyptic number.

It is an amenable number.

873420815348 is a deficient number, since it is larger than the sum of its proper divisors (655065611518).

873420815348 is a wasteful number, since it uses less digits than its factorization.

873420815348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218355203841 (or 218355203839 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 53.

The spelling of 873420815348 in words is "eight hundred seventy-three billion, four hundred twenty million, eight hundred fifteen thousand, three hundred forty-eight".