61784282358 has 112 divisors (see below), whose sum is σ = 145354659840. Its totient is φ = 19650142512.

The previous prime is 61784282201. The next prime is 61784282359. The reversal of 61784282358 is 85328248716.

61784282358 is a `hidden beast` number, since 6 + 1 + 7 + 8 + 4 + 282 + 358 = 666.

61784282358 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61784282359) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 14853483 + ... + 14857641.

Almost surely, 2^61784282358 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61784282358, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72677329920).

61784282358 is an abundant number, since it is smaller than the sum of its proper divisors (83570377482).

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

61784282358 is a wasteful number, since it uses less digits than its factorization.

61784282358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4645 (or 4630 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 54.

The spelling of 61784282358 in words is "sixty-one billion, seven hundred eighty-four million, two hundred eighty-two thousand, three hundred fifty-eight".