988634827 has 2 divisors, whose sum is σ = 988634828. Its totient is φ = 988634826.

The previous prime is 988634749. The next prime is 988634833. The reversal of 988634827 is 728436889.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 988634827 - 2²³ = 980246219 is a prime.

It is not a weakly prime, because it can be changed into another prime (988634897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494317413 + 494317414.

It is an arithmetic number, because the mean of its divisors is an integer number (494317414).

Almost surely, 2^988634827 is an apocalyptic number.

988634827 is a deficient number, since it is larger than the sum of its proper divisors (1).

988634827 is an equidigital number, since it uses as much as digits as its factorization.

988634827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4644864, while the sum is 55.

The square root of 988634827 is about 31442.5639380760. The cubic root of 988634827 is about 996.1971657835.

The spelling of 988634827 in words is "nine hundred eighty-eight million, six hundred thirty-four thousand, eight hundred twenty-seven".