89888398139 has 2 divisors, whose sum is σ = 89888398140. Its totient is φ = 89888398138.

The previous prime is 89888398121. The next prime is 89888398177. The reversal of 89888398139 is 93189388898.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89888398139 - 2²⁸ = 89619962683 is a prime.

It is not a weakly prime, because it can be changed into another prime (89888398199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44944199069 + 44944199070.

It is an arithmetic number, because the mean of its divisors is an integer number (44944199070).

Almost surely, 2^89888398139 is an apocalyptic number.

89888398139 is a deficient number, since it is larger than the sum of its proper divisors (1).

89888398139 is an equidigital number, since it uses as much as digits as its factorization.

89888398139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 214990848, while the sum is 74.

The spelling of 89888398139 in words is "eighty-nine billion, eight hundred eighty-eight million, three hundred ninety-eight thousand, one hundred thirty-nine".