988291679 has 2 divisors, whose sum is σ = 988291680. Its totient is φ = 988291678.

The previous prime is 988291639. The next prime is 988291691. The reversal of 988291679 is 976192889.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 988291679 - 2¹⁶ = 988226143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (988291639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494145839 + 494145840.

It is an arithmetic number, because the mean of its divisors is an integer number (494145840).

Almost surely, 2^988291679 is an apocalyptic number.

988291679 is a deficient number, since it is larger than the sum of its proper divisors (1).

988291679 is an equidigital number, since it uses as much as digits as its factorization.

988291679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3919104, while the sum is 59.

The square root of 988291679 is about 31437.1067211981. The cubic root of 988291679 is about 996.0818948349.

The spelling of 988291679 in words is "nine hundred eighty-eight million, two hundred ninety-one thousand, six hundred seventy-nine".