37997980271 has 4 divisors (see below), whose sum is σ = 38003061600. Its totient is φ = 37992898944.

The previous prime is 37997980193. The next prime is 37997980303. The reversal of 37997980271 is 17208979973.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 37997980271 - 2²² = 37993785967 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 (37997980171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2529431 + ... + 2544408.

It is an arithmetic number, because the mean of its divisors is an integer number (9500765400).

Almost surely, 2^37997980271 is an apocalyptic number.

37997980271 is a deficient number, since it is larger than the sum of its proper divisors (5081329).

37997980271 is an equidigital number, since it uses as much as digits as its factorization.

37997980271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5081328.

The product of its (nonzero) digits is 12002256, while the sum is 62.

The spelling of 37997980271 in words is "thirty-seven billion, nine hundred ninety-seven million, nine hundred eighty thousand, two hundred seventy-one".