37680791117 has 2 divisors, whose sum is σ = 37680791118. Its totient is φ = 37680791116.

The previous prime is 37680791111. The next prime is 37680791153. The reversal of 37680791117 is 71119708673.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37680244996 + 546121 = 194114^2 + 739^2 .

It is a cyclic number.

It is not a de Polignac number, because 37680791117 - 2¹⁰ = 37680790093 is a prime.

It is a super-2 number, since 2×37680791117² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37680791111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18840395558 + 18840395559.

It is an arithmetic number, because the mean of its divisors is an integer number (18840395559).

Almost surely, 2^37680791117 is an apocalyptic number.

It is an amenable number.

37680791117 is a deficient number, since it is larger than the sum of its proper divisors (1).

37680791117 is an equidigital number, since it uses as much as digits as its factorization.

37680791117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 444528, while the sum is 50.

The spelling of 37680791117 in words is "thirty-seven billion, six hundred eighty million, seven hundred ninety-one thousand, one hundred seventeen".