37827201997 has 8 divisors (see below), whose sum is σ = 40751315360. Its totient is φ = 34905135600.

The previous prime is 37827201991. The next prime is 37827202009. The reversal of 37827201997 is 79910272873.

It is a happy number.

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 37827201997 - 2³ = 37827201989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37827201991) 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, 473247 + ... + 547372.

It is an arithmetic number, because the mean of its divisors is an integer number (5093914420).

Almost surely, 2^37827201997 is an apocalyptic number.

It is an amenable number.

37827201997 is a deficient number, since it is larger than the sum of its proper divisors (2924113363).

37827201997 is a wasteful number, since it uses less digits than its factorization.

37827201997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023483.

The product of its (nonzero) digits is 2667168, while the sum is 55.

The spelling of 37827201997 in words is "thirty-seven billion, eight hundred twenty-seven million, two hundred one thousand, nine hundred ninety-seven".