42773767608 has 128 divisors (see below), whose sum is σ = 127759161600. Its totient is φ = 11761843200.

The previous prime is 42773767579. The next prime is 42773767691. The reversal of 42773767608 is 80676737724.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96868 + ... + 308108.

It is an arithmetic number, because the mean of its divisors is an integer number (998118450).

Almost surely, 2^42773767608 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 42773767608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63879580800).

42773767608 is an abundant number, since it is smaller than the sum of its proper divisors (84985393992).

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

42773767608 is a wasteful number, since it uses less digits than its factorization.

42773767608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211333 (or 211329 counting only the distinct ones).

The product of its (nonzero) digits is 16595712, while the sum is 57.

The spelling of 42773767608 in words is "forty-two billion, seven hundred seventy-three million, seven hundred sixty-seven thousand, six hundred eight".