37985791697 has 8 divisors (see below), whose sum is σ = 43414522752. Its totient is φ = 32557608000.

The previous prime is 37985791691. The next prime is 37985791747. The reversal of 37985791697 is 79619758973.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 37985791697 - 2⁴ = 37985791681 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 37985791697.

It is not an unprimeable number, because it can be changed into a prime (37985791691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24572 + ... + 276722.

It is an arithmetic number, because the mean of its divisors is an integer number (5426815344).

Almost surely, 2^37985791697 is an apocalyptic number.

It is an amenable number.

37985791697 is a deficient number, since it is larger than the sum of its proper divisors (5428731055).

37985791697 is a wasteful number, since it uses less digits than its factorization.

37985791697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273679.

The product of its digits is 180033840, while the sum is 71.

The spelling of 37985791697 in words is "thirty-seven billion, nine hundred eighty-five million, seven hundred ninety-one thousand, six hundred ninety-seven".