61727600747 has 2 divisors, whose sum is σ = 61727600748. Its totient is φ = 61727600746.

The previous prime is 61727600743. The next prime is 61727600749. The reversal of 61727600747 is 74700672716.

61727600747 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61727600747 - 2² = 61727600743 is a prime.

Together with 61727600749, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61727600743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30863800373 + 30863800374.

It is an arithmetic number, because the mean of its divisors is an integer number (30863800374).

Almost surely, 2^61727600747 is an apocalyptic number.

61727600747 is a deficient number, since it is larger than the sum of its proper divisors (1).

61727600747 is an equidigital number, since it uses as much as digits as its factorization.

61727600747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 691488, while the sum is 47.

The spelling of 61727600747 in words is "sixty-one billion, seven hundred twenty-seven million, six hundred thousand, seven hundred forty-seven".