61782833652 has 12 divisors (see below), whose sum is σ = 144159945216. Its totient is φ = 20594277880.

The previous prime is 61782833617. The next prime is 61782833669. The reversal of 61782833652 is 25633828716.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×61782833652³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61782833595 and 61782833604.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2574284724 + ... + 2574284747.

It is an arithmetic number, because the mean of its divisors is an integer number (12013328768).

Almost surely, 2^61782833652 is an apocalyptic number.

It is an amenable number.

61782833652 is an abundant number, since it is smaller than the sum of its proper divisors (82377111564).

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

61782833652 is a wasteful number, since it uses less digits than its factorization.

61782833652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5148569478 (or 5148569476 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 51.

The spelling of 61782833652 in words is "sixty-one billion, seven hundred eighty-two million, eight hundred thirty-three thousand, six hundred fifty-two".