60879640644 has 243 divisors, whose sum is σ = 170447631991. Its totient is φ = 18317829120.

The previous prime is 60879640621. The next prime is 60879640663. The reversal of 60879640644 is 44604697806.

The square root of 60879640644 is 246738.

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 4288940100 + 56590700544 = 65490^2 + 237888^2 .

It is a super-3 number, since 3×60879640644³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 1031858287 + ... + 1031858345.

Almost surely, 2^60879640644 is an apocalyptic number.

60879640644 is the 246738-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60879640644

60879640644 is an abundant number, since it is smaller than the sum of its proper divisors (109567991347).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

60879640644 is a wasteful number, since it uses less digits than its factorization.

60879640644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 54.

The spelling of 60879640644 in words is "sixty billion, eight hundred seventy-nine million, six hundred forty thousand, six hundred forty-four".