37873637873 has 4 divisors (see below), whose sum is σ = 38588234868. Its totient is φ = 37159040880.

The previous prime is 37873637869. The next prime is 37873637887.

37873637873 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28907820529 + 8965817344 = 170023^2 + 94688^2 .

It is a cyclic number.

It is not a de Polignac number, because 37873637873 - 2² = 37873637869 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37873637863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357298418 + ... + 357298523.

It is an arithmetic number, because the mean of its divisors is an integer number (9647058717).

Almost surely, 2^37873637873 is an apocalyptic number.

It is an amenable number.

37873637873 is a deficient number, since it is larger than the sum of its proper divisors (714596995).

37873637873 is an equidigital number, since it uses as much as digits as its factorization.

37873637873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714596994.

The product of its digits is 74680704, while the sum is 62.

The spelling of 37873637873 in words is "thirty-seven billion, eight hundred seventy-three million, six hundred thirty-seven thousand, eight hundred seventy-three".