60542078809 has 9 divisors (see below), whose sum is σ = 60899717757. Its totient is φ = 60186532224.

The previous prime is 60542078797. The next prime is 60542078813. The reversal of 60542078809 is 90887024506.

The square root of 60542078809 is 246053.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 16621655625 + 43920423184 = 128925^2 + 209572^2 .

It is not a de Polignac number, because 60542078809 - 2¹⁵ = 60542046041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60542078899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 48471817 + ... + 48473065.

Almost surely, 2^60542078809 is an apocalyptic number.

60542078809 is the 246053-rd square number.

60542078809 is the 123027-th centered octagonal number.

It is an amenable number.

60542078809 is a deficient number, since it is larger than the sum of its proper divisors (357638948).

60542078809 is an frugal number, since it uses more digits than its factorization.

60542078809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2892 (or 1446 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 49.

Multiplying 60542078809 by its sum of digits (49), we get a square (2966561861641 = 1722371²).

The spelling of 60542078809 in words is "sixty billion, five hundred forty-two million, seventy-eight thousand, eight hundred nine".