377985541 has 4 divisors (see below), whose sum is σ = 378596800. Its totient is φ = 377374284.

The previous prime is 377985481. The next prime is 377985547. The reversal of 377985541 is 145589773.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 377985541 - 2¹¹ = 377983493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (377985547) 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 3 ways as a sum of consecutive naturals, for example, 304701 + ... + 305938.

It is an arithmetic number, because the mean of its divisors is an integer number (94649200).

Almost surely, 2^377985541 is an apocalyptic number.

It is an amenable number.

377985541 is a deficient number, since it is larger than the sum of its proper divisors (611259).

377985541 is an equidigital number, since it uses as much as digits as its factorization.

377985541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611258.

The product of its digits is 1058400, while the sum is 49.

The square root of 377985541 is about 19441.8502463114. The cubic root of 377985541 is about 723.0334600221.

The spelling of 377985541 in words is "three hundred seventy-seven million, nine hundred eighty-five thousand, five hundred forty-one".