988858867 has 2 divisors, whose sum is σ = 988858868. Its totient is φ = 988858866.

The previous prime is 988858847. The next prime is 988858889. The reversal of 988858867 is 768858889.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 988858867 - 2¹⁹ = 988334579 is a prime.

It is not a weakly prime, because it can be changed into another prime (988858817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494429433 + 494429434.

It is an arithmetic number, because the mean of its divisors is an integer number (494429434).

Almost surely, 2^988858867 is an apocalyptic number.

988858867 is a deficient number, since it is larger than the sum of its proper divisors (1).

988858867 is an equidigital number, since it uses as much as digits as its factorization.

988858867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61931520, while the sum is 67.

The square root of 988858867 is about 31446.1264228203. The cubic root of 988858867 is about 996.2724113477.

The spelling of 988858867 in words is "nine hundred eighty-eight million, eight hundred fifty-eight thousand, eight hundred sixty-seven".