987377 has 6 divisors (see below), whose sum is σ = 1049814. Its totient is φ = 925440.

The previous prime is 987361. The next prime is 987383. The reversal of 987377 is 773789.

It is a happy number.

987377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 512656 + 474721 = 716^2 + 689^2 .

It is not a de Polignac number, because 987377 - 2⁴ = 987361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (980377) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3977 + ... + 4217.

It is an arithmetic number, because the mean of its divisors is an integer number (174969).

2⁹⁸⁷³⁷⁷ is an apocalyptic number.

It is an amenable number.

987377 is a deficient number, since it is larger than the sum of its proper divisors (62437).

987377 is an equidigital number, since it uses as much as digits as its factorization.

987377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499 (or 258 counting only the distinct ones).

The product of its digits is 74088, while the sum is 41.

The square root of 987377 is about 993.6684557739. The cubic root of 987377 is about 99.5774503663.

The spelling of 987377 in words is "nine hundred eighty-seven thousand, three hundred seventy-seven".