377485921 has 4 divisors (see below), whose sum is σ = 379065600. Its totient is φ = 375906244.

The previous prime is 377485919. The next prime is 377485931. The reversal of 377485921 is 129584773.

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 377485921 - 2¹ = 377485919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (377485931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 789481 + ... + 789958.

It is an arithmetic number, because the mean of its divisors is an integer number (94766400).

Almost surely, 2^377485921 is an apocalyptic number.

It is an amenable number.

377485921 is a deficient number, since it is larger than the sum of its proper divisors (1579679).

377485921 is a wasteful number, since it uses less digits than its factorization.

377485921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579678.

The product of its digits is 423360, while the sum is 46.

The square root of 377485921 is about 19428.9969118326. The cubic root of 377485921 is about 722.7147518371.

The spelling of 377485921 in words is "three hundred seventy-seven million, four hundred eighty-five thousand, nine hundred twenty-one".