61983861282 has 128 divisors (see below), whose sum is σ = 158705971200. Its totient is φ = 17565424128.

The previous prime is 61983861239. The next prime is 61983861311. The reversal of 61983861282 is 28216838916.

61983861282 is a `hidden beast` number, since 6 + 19 + 8 + 3 + 8 + 612 + 8 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 42483069 + ... + 42484527.

It is an arithmetic number, because the mean of its divisors is an integer number (1239890400).

Almost surely, 2^61983861282 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61983861282, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79352985600).

61983861282 is an abundant number, since it is smaller than the sum of its proper divisors (96722109918).

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

61983861282 is a wasteful number, since it uses less digits than its factorization.

61983861282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2317 (or 2311 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 54.

The spelling of 61983861282 in words is "sixty-one billion, nine hundred eighty-three million, eight hundred sixty-one thousand, two hundred eighty-two".