988291677 has 8 divisors (see below), whose sum is σ = 1318383616. Its totient is φ = 658530432.

The previous prime is 988291639. The next prime is 988291679. The reversal of 988291677 is 776192889.

988291677 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 988291677 - 2⁶ = 988291613 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 (988291679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75613 + ... + 87714.

It is an arithmetic number, because the mean of its divisors is an integer number (164797952).

Almost surely, 2^988291677 is an apocalyptic number.

It is an amenable number.

988291677 is a deficient number, since it is larger than the sum of its proper divisors (330091939).

988291677 is a wasteful number, since it uses less digits than its factorization.

988291677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165347.

The product of its digits is 3048192, while the sum is 57.

The square root of 988291677 is about 31437.1066893886. The cubic root of 988291677 is about 996.0818941630.

The spelling of 988291677 in words is "nine hundred eighty-eight million, two hundred ninety-one thousand, six hundred seventy-seven".