60821247860 has 12 divisors (see below), whose sum is σ = 127724620548. Its totient is φ = 24328499136.

The previous prime is 60821247821. The next prime is 60821247869. The reversal of 60821247860 is 6874212806.

It can be written as a sum of positive squares in 2 ways, for example, as 45328964836 + 15492283024 = 212906^2 + 124468^2 .

It is a super-4 number, since 4×60821247860⁴ (a number of 44 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60821247869) 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 3 ways as a sum of consecutive naturals, for example, 1520531177 + ... + 1520531216.

It is an arithmetic number, because the mean of its divisors is an integer number (10643718379).

Almost surely, 2^60821247860 is an apocalyptic number.

It is an amenable number.

60821247860 is an abundant number, since it is smaller than the sum of its proper divisors (66903372688).

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

60821247860 is a wasteful number, since it uses less digits than its factorization.

60821247860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3041062402 (or 3041062400 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 44.

The spelling of 60821247860 in words is "sixty billion, eight hundred twenty-one million, two hundred forty-seven thousand, eight hundred sixty".