37985555558973 has 64 divisors (see below), whose sum is σ = 58304673229824. Its totient is φ = 21786988608000.

The previous prime is 37985555558933. The next prime is 37985555559089.

It is a happy number.

37985555558973 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 37985555558973 - 2¹³ = 37985555550781 is a prime.

It is a super-2 number, since 2×37985555558973² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37985555558933) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15423990 + ... + 17716392.

It is an arithmetic number, because the mean of its divisors is an integer number (911010519216).

Almost surely, 2^{37985555558973} is an apocalyptic number.

37985555558973 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

37985555558973 is a deficient number, since it is larger than the sum of its proper divisors (20319117670851).

37985555558973 is a wasteful number, since it uses less digits than its factorization.

37985555558973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2292826.

The product of its digits is 35721000000, while the sum is 84.

The spelling of 37985555558973 in words is "thirty-seven trillion, nine hundred eighty-five billion, five hundred fifty-five million, five hundred fifty-eight thousand, nine hundred seventy-three".