377974369 has 4 divisors (see below), whose sum is σ = 380733444. Its totient is φ = 375215296.

The previous prime is 377974327. The next prime is 377974381. The reversal of 377974369 is 963479773.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 963479773 = 2251 ⋅428023.

It can be written as a sum of positive squares in 2 ways, for example, as 333245025 + 44729344 = 18255^2 + 6688^2 .

It is a cyclic number.

It is not a de Polignac number, because 377974369 - 2⁹ = 377973857 is a prime.

It is a super-2 number, since 2×377974369² = 285729247241896322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (377974319) 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, 1379332 + ... + 1379605.

It is an arithmetic number, because the mean of its divisors is an integer number (95183361).

Almost surely, 2^377974369 is an apocalyptic number.

It is an amenable number.

377974369 is a deficient number, since it is larger than the sum of its proper divisors (2759075).

377974369 is a wasteful number, since it uses less digits than its factorization.

377974369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2759074.

The product of its digits is 6001128, while the sum is 55.

The square root of 377974369 is about 19441.5629258555. The cubic root of 377974369 is about 723.0263364609.

The spelling of 377974369 in words is "three hundred seventy-seven million, nine hundred seventy-four thousand, three hundred sixty-nine".