492261787871 has 8 divisors (see below), whose sum is σ = 564382298784. Its totient is φ = 420590626560.

The previous prime is 492261787859. The next prime is 492261787873. The reversal of 492261787871 is 178787162294.

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 492261787871 - 2¹⁸ = 492261525727 is a prime.

It is a super-4 number, since 4×492261787871⁴ (a number of 48 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492261787873) 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, 112335050 + ... + 112339431.

It is an arithmetic number, because the mean of its divisors is an integer number (70547787348).

Almost surely, 2^492261787871 is an apocalyptic number.

492261787871 is a deficient number, since it is larger than the sum of its proper divisors (72120510913).

492261787871 is a wasteful number, since it uses less digits than its factorization.

492261787871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224674801.

The product of its digits is 18966528, while the sum is 62.

The spelling of 492261787871 in words is "four hundred ninety-two billion, two hundred sixty-one million, seven hundred eighty-seven thousand, eight hundred seventy-one".