42567784797 has 12 divisors (see below), whose sum is σ = 60292088576. Its totient is φ = 26709197760.

The previous prime is 42567784793. The next prime is 42567784799. The reversal of 42567784797 is 79748776524.

It is not a de Polignac number, because 42567784797 - 2² = 42567784793 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42567784793) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24548029 + ... + 24549762.

Almost surely, 2^42567784797 is an apocalyptic number.

It is an amenable number.

42567784797 is a deficient number, since it is larger than the sum of its proper divisors (17724303779).

42567784797 is a wasteful number, since it uses less digits than its factorization.

42567784797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49097828 (or 49097811 counting only the distinct ones).

The product of its digits is 165957120, while the sum is 66.

The spelling of 42567784797 in words is "forty-two billion, five hundred sixty-seven million, seven hundred eighty-four thousand, seven hundred ninety-seven".