542766243415987 has 8 divisors (see below), whose sum is σ = 555471694080000. Its totient is φ = 530109010782024.

The previous prime is 542766243415969. The next prime is 542766243416009. The reversal of 542766243415987 is 789514342667245.

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 542766243415987 - 2²⁷ = 542766109198259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542766243415927) 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, 12054484737 + ... + 12054529762.

It is an arithmetic number, because the mean of its divisors is an integer number (69433961760000).

Almost surely, 2^{542766243415987} is an apocalyptic number.

542766243415987 is a deficient number, since it is larger than the sum of its proper divisors (12705450664013).

542766243415987 is a wasteful number, since it uses less digits than its factorization.

542766243415987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24109015025.

The product of its digits is 2438553600, while the sum is 73.

The spelling of 542766243415987 in words is "five hundred forty-two trillion, seven hundred sixty-six billion, two hundred forty-three million, four hundred fifteen thousand, nine hundred eighty-seven".