42776503389 has 24 divisors (see below), whose sum is σ = 63939189600. Its totient is φ = 27525566880.

The previous prime is 42776503369. The next prime is 42776503403. The reversal of 42776503389 is 98330567724.

It is not a de Polignac number, because 42776503389 - 2¹³ = 42776495197 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42776503369) 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, 855522 + ... + 904140.

It is an arithmetic number, because the mean of its divisors is an integer number (2664132900).

Almost surely, 2^42776503389 is an apocalyptic number.

It is an amenable number.

42776503389 is a deficient number, since it is larger than the sum of its proper divisors (21162686211).

42776503389 is a wasteful number, since it uses less digits than its factorization.

42776503389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52025 (or 52022 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 54.

The spelling of 42776503389 in words is "forty-two billion, seven hundred seventy-six million, five hundred three thousand, three hundred eighty-nine".