60647776851 has 4 divisors (see below), whose sum is σ = 80863702472. Its totient is φ = 40431851232.

The previous prime is 60647776753. The next prime is 60647776867. The reversal of 60647776851 is 15867774606.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 60647776851 - 2¹⁹ = 60647252563 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 60647776791 and 60647776800.

It is not an unprimeable number, because it can be changed into a prime (60647776751) 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, 10107962806 + ... + 10107962811.

It is an arithmetic number, because the mean of its divisors is an integer number (20215925618).

Almost surely, 2^60647776851 is an apocalyptic number.

60647776851 is a deficient number, since it is larger than the sum of its proper divisors (20215925621).

60647776851 is a wasteful number, since it uses less digits than its factorization.

60647776851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20215925620.

The product of its (nonzero) digits is 11854080, while the sum is 57.

The spelling of 60647776851 in words is "sixty billion, six hundred forty-seven million, seven hundred seventy-six thousand, eight hundred fifty-one".