60645747855 has 32 divisors (see below), whose sum is σ = 120976455168. Its totient is φ = 25203427200.

The previous prime is 60645747853. The next prime is 60645747859. The reversal of 60645747855 is 55874754606.

It is not a de Polignac number, because 60645747855 - 2¹ = 60645747853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 60645747795 and 60645747804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60645747853) 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 31 ways as a sum of consecutive naturals, for example, 26252416 + ... + 26254725.

It is an arithmetic number, because the mean of its divisors is an integer number (3780514224).

Almost surely, 2^60645747855 is an apocalyptic number.

60645747855 is a deficient number, since it is larger than the sum of its proper divisors (60330707313).

60645747855 is a wasteful number, since it uses less digits than its factorization.

60645747855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52507167.

The product of its (nonzero) digits is 28224000, while the sum is 57.

The spelling of 60645747855 in words is "sixty billion, six hundred forty-five million, seven hundred forty-seven thousand, eight hundred fifty-five".