377221243 has 4 divisors (see below), whose sum is σ = 431110000. Its totient is φ = 323332488.

The previous prime is 377221223. The next prime is 377221261. The reversal of 377221243 is 342122773.

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 377221243 - 2²⁵ = 343666811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (377221213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26944368 + ... + 26944381.

It is an arithmetic number, because the mean of its divisors is an integer number (107777500).

Almost surely, 2^377221243 is an apocalyptic number.

377221243 is a deficient number, since it is larger than the sum of its proper divisors (53888757).

377221243 is an equidigital number, since it uses as much as digits as its factorization.

377221243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53888756.

The product of its digits is 14112, while the sum is 31.

The square root of 377221243 is about 19422.1843004334. The cubic root of 377221243 is about 722.5457994698.

The spelling of 377221243 in words is "three hundred seventy-seven million, two hundred twenty-one thousand, two hundred forty-three".