61047538727 has 8 divisors (see below), whose sum is σ = 69918016896. Its totient is φ = 52214410872.

The previous prime is 61047538691. The next prime is 61047538759. The reversal of 61047538727 is 72783574016.

It is a happy number.

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 61047538727 - 2⁶ = 61047538663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61047538787) 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, 9334073 + ... + 9340610.

It is an arithmetic number, because the mean of its divisors is an integer number (8739752112).

Almost surely, 2^61047538727 is an apocalyptic number.

61047538727 is a deficient number, since it is larger than the sum of its proper divisors (8870478169).

61047538727 is a wasteful number, since it uses less digits than its factorization.

61047538727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18675157.

The product of its (nonzero) digits is 1975680, while the sum is 50.

The spelling of 61047538727 in words is "sixty-one billion, forty-seven million, five hundred thirty-eight thousand, seven hundred twenty-seven".