377555243 has 4 divisors (see below), whose sum is σ = 406597968. Its totient is φ = 348512520.

The previous prime is 377555237. The next prime is 377555249. The reversal of 377555243 is 342555773.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342555773 = 7 ⋅48936539.

It is an interprime number because it is at equal distance from previous prime (377555237) and next prime (377555249).

It is a cyclic number.

It is not a de Polignac number, because 377555243 - 2¹⁸ = 377293099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 377555243.

It is not an unprimeable number, because it can be changed into a prime (377555249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14521343 + ... + 14521368.

It is an arithmetic number, because the mean of its divisors is an integer number (101649492).

Almost surely, 2^377555243 is an apocalyptic number.

377555243 is a deficient number, since it is larger than the sum of its proper divisors (29042725).

377555243 is a wasteful number, since it uses less digits than its factorization.

377555243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29042724.

The product of its digits is 441000, while the sum is 41.

The square root of 377555243 is about 19430.7808129267. The cubic root of 377555243 is about 722.7589892181.

The spelling of 377555243 in words is "three hundred seventy-seven million, five hundred fifty-five thousand, two hundred forty-three".