42387577758 has 48 divisors (see below), whose sum is σ = 94905532800. Its totient is φ = 13658526720.

The previous prime is 42387577747. The next prime is 42387577783. The reversal of 42387577758 is 85777578324.

42387577758 is a `hidden beast` number, since 4 + 2 + 3 + 8 + 7 + 577 + 7 + 58 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 42387577695 and 42387577704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 477498 + ... + 559266.

It is an arithmetic number, because the mean of its divisors is an integer number (1977198600).

Almost surely, 2^42387577758 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42387577758, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47452766400).

42387577758 is an abundant number, since it is smaller than the sum of its proper divisors (52517955042).

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

42387577758 is a wasteful number, since it uses less digits than its factorization.

42387577758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82737 (or 82734 counting only the distinct ones).

The product of its digits is 92198400, while the sum is 63.

The spelling of 42387577758 in words is "forty-two billion, three hundred eighty-seven million, five hundred seventy-seven thousand, seven hundred fifty-eight".