377442385 has 4 divisors (see below), whose sum is σ = 452930868. Its totient is φ = 301953904.

The previous prime is 377442371. The next prime is 377442389. The reversal of 377442385 is 583244773.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 583244773 = 2437 ⋅239329.

It can be written as a sum of positive squares in 2 ways, for example, as 232288081 + 145154304 = 15241^2 + 12048^2 .

It is a cyclic number.

It is not a de Polignac number, because 377442385 - 2²¹ = 375345233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (377442389) 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, 37744234 + ... + 37744243.

It is an arithmetic number, because the mean of its divisors is an integer number (113232717).

Almost surely, 2^377442385 is an apocalyptic number.

It is an amenable number.

377442385 is a deficient number, since it is larger than the sum of its proper divisors (75488483).

377442385 is an equidigital number, since it uses as much as digits as its factorization.

377442385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75488482.

The product of its digits is 564480, while the sum is 43.

The square root of 377442385 is about 19427.8764922984. The cubic root of 377442385 is about 722.6869668547.

The spelling of 377442385 in words is "three hundred seventy-seven million, four hundred forty-two thousand, three hundred eighty-five".