377638243 has 8 divisors (see below), whose sum is σ = 408258320. Its totient is φ = 348092640.

The previous prime is 377638241. The next prime is 377638259. The reversal of 377638243 is 342836773.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 377638243 - 2¹ = 377638241 is a prime.

It is a super-2 number, since 2×377638243² = 285221285152254098, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 377638243.

It is not an unprimeable number, because it can be changed into a prime (377638241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267888 + ... + 269293.

It is an arithmetic number, because the mean of its divisors is an integer number (51032290).

Almost surely, 2^377638243 is an apocalyptic number.

377638243 is a deficient number, since it is larger than the sum of its proper divisors (30620077).

377638243 is a wasteful number, since it uses less digits than its factorization.

377638243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537237.

The product of its digits is 508032, while the sum is 43.

The square root of 377638243 is about 19432.9164820930. The cubic root of 377638243 is about 722.8119480031.

The spelling of 377638243 in words is "three hundred seventy-seven million, six hundred thirty-eight thousand, two hundred forty-three".