875732822421 has 8 divisors (see below), whose sum is σ = 1192487247744. Its totient is φ = 571400139360.

The previous prime is 875732822417. The next prime is 875732822443. The reversal of 875732822421 is 124228237578.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 875732822421 - 2² = 875732822417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (875732822221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3105435400 + ... + 3105435681.

It is an arithmetic number, because the mean of its divisors is an integer number (149060905968).

Almost surely, 2^875732822421 is an apocalyptic number.

It is an amenable number.

875732822421 is a deficient number, since it is larger than the sum of its proper divisors (316754425323).

875732822421 is a wasteful number, since it uses less digits than its factorization.

875732822421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6210871131.

The product of its digits is 3010560, while the sum is 51.

The spelling of 875732822421 in words is "eight hundred seventy-five billion, seven hundred thirty-two million, eight hundred twenty-two thousand, four hundred twenty-one".