377820438241 has 3 divisors (see below), whose sum is σ = 377821052913. Its totient is φ = 377819823570.

The previous prime is 377820438227. The next prime is 377820438253. The reversal of 377820438241 is 142834028773.

The square root of 377820438241 is 614671.

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 is not a de Polignac number, because 377820438241 - 2⁷ = 377820438113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (377820438341) 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, 307336 + ... + 922006.

It is an arithmetic number, because the mean of its divisors is an integer number (125940350971).

Almost surely, 2^377820438241 is an apocalyptic number.

377820438241 is the 614671-st square number.

377820438241 is the 307336-th centered octagonal number.

It is an amenable number.

377820438241 is a deficient number, since it is larger than the sum of its proper divisors (614672).

377820438241 is an frugal number, since it uses more digits than its factorization.

377820438241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229342 (or 614671 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 49.

Multiplying 377820438241 by its sum of digits (49), we get a square (18513201473809 = 4302697²).

The spelling of 377820438241 in words is "three hundred seventy-seven billion, eight hundred twenty million, four hundred thirty-eight thousand, two hundred forty-one".