988877 has 2 divisors, whose sum is σ = 988878. Its totient is φ = 988876.

The previous prime is 988861. The next prime is 988901. The reversal of 988877 is 778889.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 988036 + 841 = 994^2 + 29^2 .

It is a cyclic number.

It is not a de Polignac number, because 988877 - 2⁴ = 988861 is a prime.

It is a super-2 number, since 2×988877² = 1955755442258, which contains 22 as substring.

It is an Ulam number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (988837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494438 + 494439.

It is an arithmetic number, because the mean of its divisors is an integer number (494439).

2⁹⁸⁸⁸⁷⁷ is an apocalyptic number.

It is an amenable number.

988877 is a deficient number, since it is larger than the sum of its proper divisors (1).

988877 is an equidigital number, since it uses as much as digits as its factorization.

988877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 225792, while the sum is 47.

The square root of 988877 is about 994.4229482469. The cubic root of 988877 is about 99.6278500959.

The spelling of 988877 in words is "nine hundred eighty-eight thousand, eight hundred seventy-seven".