37877340964849 has 3 divisors (see below), whose sum is σ = 37877347119307. Its totient is φ = 37877334810392.

The previous prime is 37877340964847. The next prime is 37877340964861. The reversal of 37877340964849 is 94846904377873.

The square root of 37877340964849 is 6154457.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 2817110480625 + 35060230484224 = 1678425^2 + 5921168^2 .

It is not a de Polignac number, because 37877340964849 - 2¹ = 37877340964847 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37877340964847) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3077229 + ... + 9231685.

Almost surely, 2^{37877340964849} is an apocalyptic number.

37877340964849 is the 6154457-th square number.

37877340964849 is the 3077229-th centered octagonal number.

It is an amenable number.

37877340964849 is a deficient number, since it is larger than the sum of its proper divisors (6154458).

37877340964849 is an frugal number, since it uses more digits than its factorization.

37877340964849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12308914 (or 6154457 counting only the distinct ones).

The product of its (nonzero) digits is 6145155072, while the sum is 79.

The spelling of 37877340964849 in words is "thirty-seven trillion, eight hundred seventy-seven billion, three hundred forty million, nine hundred sixty-four thousand, eight hundred forty-nine".