37828053817 has 4 divisors (see below), whose sum is σ = 37831740660. Its totient is φ = 37824366976.

The previous prime is 37828053803. The next prime is 37828053833. The reversal of 37828053817 is 71835082873.

It is a happy number.

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 21193245241 + 16634808576 = 145579^2 + 128976^2 .

It is a cyclic number.

It is not a de Polignac number, because 37828053817 - 2³⁵ = 3468315449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37828059817) 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, 1827988 + ... + 1848565.

It is an arithmetic number, because the mean of its divisors is an integer number (9457935165).

Almost surely, 2^37828053817 is an apocalyptic number.

It is an amenable number.

37828053817 is a deficient number, since it is larger than the sum of its proper divisors (3686843).

37828053817 is a wasteful number, since it uses less digits than its factorization.

37828053817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3686842.

The product of its (nonzero) digits is 2257920, while the sum is 52.

The spelling of 37828053817 in words is "thirty-seven billion, eight hundred twenty-eight million, fifty-three thousand, eight hundred seventeen".