61880471748 has 96 divisors (see below), whose sum is σ = 161708933120. Its totient is φ = 20462971680.

The previous prime is 61880471747. The next prime is 61880471753. The reversal of 61880471748 is 84717408816.

61880471748 is a `hidden beast` number, since 618 + 8 + 0 + 4 + 7 + 17 + 4 + 8 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 61880471694 and 61880471703.

It is not an unprimeable number, because it can be changed into a prime (61880471747) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10682733 + ... + 10688523.

Almost surely, 2^61880471748 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 61880471748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80854466560).

61880471748 is an abundant number, since it is smaller than the sum of its proper divisors (99828461372).

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

61880471748 is a wasteful number, since it uses less digits than its factorization.

61880471748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6574 (or 6566 counting only the distinct ones).

The product of its (nonzero) digits is 2408448, while the sum is 54.

The spelling of 61880471748 in words is "sixty-one billion, eight hundred eighty million, four hundred seventy-one thousand, seven hundred forty-eight".