988343677 has 4 divisors (see below), whose sum is σ = 989025340. Its totient is φ = 987662016.

The previous prime is 988343659. The next prime is 988343687. The reversal of 988343677 is 776343889.

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 650556036 + 337787641 = 25506^2 + 18379^2 .

It is a cyclic number.

It is not a de Polignac number, because 988343677 - 2⁷ = 988343549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988343617) 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, 338652 + ... + 341557.

It is an arithmetic number, because the mean of its divisors is an integer number (247256335).

Almost surely, 2^988343677 is an apocalyptic number.

It is an amenable number.

988343677 is a deficient number, since it is larger than the sum of its proper divisors (681663).

988343677 is a wasteful number, since it uses less digits than its factorization.

988343677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681662.

The product of its digits is 6096384, while the sum is 55.

The square root of 988343677 is about 31437.9337266303. The cubic root of 988343677 is about 996.0993638201.

The spelling of 988343677 in words is "nine hundred eighty-eight million, three hundred forty-three thousand, six hundred seventy-seven".