60780308638 has 32 divisors (see below), whose sum is σ = 106450488000. Its totient is φ = 26017038432.

The previous prime is 60780308593. The next prime is 60780308639. The reversal of 60780308638 is 83680308706.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a junction number, because it is equal to n+sod(n) for n = 60780308591 and 60780308600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60780308639) 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 15 ways as a sum of consecutive naturals, for example, 515256 + ... + 622132.

It is an arithmetic number, because the mean of its divisors is an integer number (3326577750).

Almost surely, 2^60780308638 is an apocalyptic number.

60780308638 is a deficient number, since it is larger than the sum of its proper divisors (45670179362).

60780308638 is a wasteful number, since it uses less digits than its factorization.

60780308638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107729 (or 107715 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 60780308638 in words is "sixty billion, seven hundred eighty million, three hundred eight thousand, six hundred thirty-eight".