61727833338 has 8 divisors (see below), whose sum is σ = 123455666688. Its totient is φ = 20575944444.

The previous prime is 61727833331. The next prime is 61727833339. The reversal of 61727833338 is 83333872716.

It is a sphenic number, since it is the product of 3 distinct primes.

61727833338 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (61727833331) 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, 5143986106 + ... + 5143986117.

It is an arithmetic number, because the mean of its divisors is an integer number (15431958336).

Almost surely, 2^61727833338 is an apocalyptic number.

61727833338 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61727833338 is a wasteful number, since it uses less digits than its factorization.

61727833338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10287972228.

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

The spelling of 61727833338 in words is "sixty-one billion, seven hundred twenty-seven million, eight hundred thirty-three thousand, three hundred thirty-eight".