873897664 has 28 divisors (see below), whose sum is σ = 1741081608. Its totient is φ = 435200000.

The previous prime is 873897653. The next prime is 873897667. The reversal of 873897664 is 466798378.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 873897599 and 873897608.

It is not an unprimeable number, because it can be changed into a prime (873897667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11137 + ... + 43264.

It is an arithmetic number, because the mean of its divisors is an integer number (62181486).

Almost surely, 2^873897664 is an apocalyptic number.

It is an amenable number.

873897664 is a deficient number, since it is larger than the sum of its proper divisors (867183944).

873897664 is a wasteful number, since it uses less digits than its factorization.

873897664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54664 (or 54654 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 58.

The square root of 873897664 is about 29561.7601641039. The cubic root of 873897664 is about 956.0637668056.

The spelling of 873897664 in words is "eight hundred seventy-three million, eight hundred ninety-seven thousand, six hundred sixty-four".