61882756236 has 144 divisors (see below), whose sum is σ = 185150085120. Its totient is φ = 17060641920.

The previous prime is 61882756217. The next prime is 61882756241. The reversal of 61882756236 is 63265728816.

61882756236 is a `hidden beast` number, since 6 + 1 + 8 + 8 + 2 + 7 + 5 + 623 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 804130 + ... + 877718.

It is an arithmetic number, because the mean of its divisors is an integer number (1285764480).

Almost surely, 2^61882756236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61882756236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92575042560).

61882756236 is an abundant number, since it is smaller than the sum of its proper divisors (123267328884).

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

61882756236 is a wasteful number, since it uses less digits than its factorization.

61882756236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73724 (or 73719 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The spelling of 61882756236 in words is "sixty-one billion, eight hundred eighty-two million, seven hundred fifty-six thousand, two hundred thirty-six".