572878202842421 has 8 divisors (see below), whose sum is σ = 654719132175360. Its totient is φ = 491037570026928.

The previous prime is 572878202842411. The next prime is 572878202842427. The reversal of 572878202842421 is 124248202878275.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 572878202842421 - 2⁴² = 568480156331317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (572878202842427) 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, 69973781 + ... + 77730858.

It is an arithmetic number, because the mean of its divisors is an integer number (81839891521920).

Almost surely, 2^{572878202842421} is an apocalyptic number.

It is an amenable number.

572878202842421 is a deficient number, since it is larger than the sum of its proper divisors (81840929332939).

572878202842421 is a wasteful number, since it uses less digits than its factorization.

572878202842421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148258723.

The product of its (nonzero) digits is 64225280, while the sum is 62.

The spelling of 572878202842421 in words is "five hundred seventy-two trillion, eight hundred seventy-eight billion, two hundred two million, eight hundred forty-two thousand, four hundred twenty-one".