60648820781 has 8 divisors (see below), whose sum is σ = 67596209280. Its totient is φ = 54076966848.

The previous prime is 60648820741. The next prime is 60648820783. The reversal of 60648820781 is 18702884606.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 60648820781 - 2¹⁸ = 60648558637 is a prime.

It is a super-2 number, since 2×60648820781² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60648820783) 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 7 ways as a sum of consecutive naturals, for example, 93883301 + ... + 93883946.

It is an arithmetic number, because the mean of its divisors is an integer number (8449526160).

Almost surely, 2^60648820781 is an apocalyptic number.

It is an amenable number.

60648820781 is a deficient number, since it is larger than the sum of its proper divisors (6947388499).

60648820781 is a wasteful number, since it uses less digits than its factorization.

60648820781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187767283.

The product of its (nonzero) digits is 1032192, while the sum is 50.

The spelling of 60648820781 in words is "sixty billion, six hundred forty-eight million, eight hundred twenty thousand, seven hundred eighty-one".