61333878383 has 8 divisors (see below), whose sum is σ = 64963024560. Its totient is φ = 57707095680.

The previous prime is 61333878323. The next prime is 61333878409. The reversal of 61333878383 is 38387833316.

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

It is not a de Polignac number, because 61333878383 - 2²² = 61329684079 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 (61333878313) 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, 537293 + ... + 641366.

It is an arithmetic number, because the mean of its divisors is an integer number (8120378070).

Almost surely, 2^61333878383 is an apocalyptic number.

61333878383 is a deficient number, since it is larger than the sum of its proper divisors (3629146177).

61333878383 is a wasteful number, since it uses less digits than its factorization.

61333878383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181737.

The product of its digits is 5225472, while the sum is 53.

The spelling of 61333878383 in words is "sixty-one billion, three hundred thirty-three million, eight hundred seventy-eight thousand, three hundred eighty-three".