42777425137 has 16 divisors (see below), whose sum is σ = 43939195200. Its totient is φ = 41629603392.

The previous prime is 42777425099. The next prime is 42777425143. The reversal of 42777425137 is 73152477724.

It is a cyclic number.

It is not a de Polignac number, because 42777425137 - 2¹¹ = 42777423089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42777425177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6211498 + ... + 6218380.

It is an arithmetic number, because the mean of its divisors is an integer number (2746199700).

Almost surely, 2^42777425137 is an apocalyptic number.

It is an amenable number.

42777425137 is a deficient number, since it is larger than the sum of its proper divisors (1161770063).

42777425137 is a wasteful number, since it uses less digits than its factorization.

42777425137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7872.

The product of its digits is 2304960, while the sum is 49.

The spelling of 42777425137 in words is "forty-two billion, seven hundred seventy-seven million, four hundred twenty-five thousand, one hundred thirty-seven".