42776799093 has 24 divisors (see below), whose sum is σ = 70655064896. Its totient is φ = 24430248000.

The previous prime is 42776799071. The next prime is 42776799137. The reversal of 42776799093 is 39099767724.

It is not a de Polignac number, because 42776799093 - 2²⁰ = 42775750517 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42776799093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42776799893) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75043 + ... + 301968.

Almost surely, 2^42776799093 is an apocalyptic number.

It is an amenable number.

42776799093 is a deficient number, since it is larger than the sum of its proper divisors (27878265803).

42776799093 is a wasteful number, since it uses less digits than its factorization.

42776799093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378825 (or 378822 counting only the distinct ones).

The product of its (nonzero) digits is 36006768, while the sum is 63.

The spelling of 42776799093 in words is "forty-two billion, seven hundred seventy-six million, seven hundred ninety-nine thousand, ninety-three".