377871649 has 4 divisors (see below), whose sum is σ = 378681264. Its totient is φ = 377062036.

The previous prime is 377871643. The next prime is 377871701. The reversal of 377871649 is 946178773.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 377871649 - 2¹¹ = 377869601 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 377871596 and 377871605.

It is not an unprimeable number, because it can be changed into a prime (377871643) 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, 404107 + ... + 405040.

It is an arithmetic number, because the mean of its divisors is an integer number (94670316).

Almost surely, 2^377871649 is an apocalyptic number.

It is an amenable number.

377871649 is a deficient number, since it is larger than the sum of its proper divisors (809615).

377871649 is an equidigital number, since it uses as much as digits as its factorization.

377871649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809614.

The product of its digits is 1778112, while the sum is 52.

The square root of 377871649 is about 19438.9209834291. The cubic root of 377871649 is about 722.9608329062.

The spelling of 377871649 in words is "three hundred seventy-seven million, eight hundred seventy-one thousand, six hundred forty-nine".