977377 has 4 divisors (see below), whose sum is σ = 987156. Its totient is φ = 967600.

The previous prime is 977369. The next prime is 977407. The reversal of 977377 is 773779.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 829921 + 147456 = 911^2 + 384^2 .

It is a cyclic number.

It is not a de Polignac number, because 977377 - 2³ = 977369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (977357) 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, 4738 + ... + 4939.

It is an arithmetic number, because the mean of its divisors is an integer number (246789).

2⁹⁷⁷³⁷⁷ is an apocalyptic number.

It is an amenable number.

977377 is a deficient number, since it is larger than the sum of its proper divisors (9779).

977377 is a wasteful number, since it uses less digits than its factorization.

977377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9778.

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

The square root of 977377 is about 988.6237909336. The cubic root of 977377 is about 99.2401407638.

The spelling of 977377 in words is "nine hundred seventy-seven thousand, three hundred seventy-seven".