61747467871 has 8 divisors (see below), whose sum is σ = 63419902400. Its totient is φ = 60075222048.

The previous prime is 61747467869. The next prime is 61747467883. The reversal of 61747467871 is 17876474716.

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 61747467871 - 2¹ = 61747467869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61747467571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 837805 + ... + 908521.

It is an arithmetic number, because the mean of its divisors is an integer number (7927487800).

Almost surely, 2^61747467871 is an apocalyptic number.

61747467871 is a deficient number, since it is larger than the sum of its proper divisors (1672434529).

61747467871 is a wasteful number, since it uses less digits than its factorization.

61747467871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94353.

The product of its digits is 11063808, while the sum is 58.

The spelling of 61747467871 in words is "sixty-one billion, seven hundred forty-seven million, four hundred sixty-seven thousand, eight hundred seventy-one".