60947206647 has 4 divisors (see below), whose sum is σ = 81262942200. Its totient is φ = 40631471096.

The previous prime is 60947206633. The next prime is 60947206703. The reversal of 60947206647 is 74660274906.

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

It is a cyclic number.

It is not a de Polignac number, because 60947206647 - 2¹⁸ = 60946944503 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 60947206647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60947205647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10157867772 + ... + 10157867777.

It is an arithmetic number, because the mean of its divisors is an integer number (20315735550).

Almost surely, 2^60947206647 is an apocalyptic number.

60947206647 is a deficient number, since it is larger than the sum of its proper divisors (20315735553).

60947206647 is a wasteful number, since it uses less digits than its factorization.

60947206647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20315735552.

The product of its (nonzero) digits is 3048192, while the sum is 51.

The spelling of 60947206647 in words is "sixty billion, nine hundred forty-seven million, two hundred six thousand, six hundred forty-seven".