377977 has 4 divisors (see below), whose sum is σ = 379216. Its totient is φ = 376740.

The previous prime is 377963. The next prime is 377981. The reversal of 377977 is 779773.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 779773 = 17 ⋅45869.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-377977 is a prime.

It is a super-2 number, since 2×377977² = 285733225058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (377477) 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, 202 + ... + 892.

It is an arithmetic number, because the mean of its divisors is an integer number (94804).

2³⁷⁷⁹⁷⁷ is an apocalyptic number.

It is an amenable number.

377977 is a deficient number, since it is larger than the sum of its proper divisors (1239).

377977 is an equidigital number, since it uses as much as digits as its factorization.

377977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238.

The product of its digits is 64827, while the sum is 40.

The square root of 377977 is about 614.7983409216. The cubic root of 377977 is about 72.3028014068.

The spelling of 377977 in words is "three hundred seventy-seven thousand, nine hundred seventy-seven".