88239000019 has 2 divisors, whose sum is σ = 88239000020. Its totient is φ = 88239000018.

The previous prime is 88239000013. The next prime is 88239000037. The reversal of 88239000019 is 91000093288.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 88239000019 - 2⁹ = 88238999507 is a prime.

It is a super-2 number, since 2×88239000019² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (88239000013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44119500009 + 44119500010.

It is an arithmetic number, because the mean of its divisors is an integer number (44119500010).

Almost surely, 2^88239000019 is an apocalyptic number.

88239000019 is a deficient number, since it is larger than the sum of its proper divisors (1).

88239000019 is an equidigital number, since it uses as much as digits as its factorization.

88239000019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 40.

The spelling of 88239000019 in words is "eighty-eight billion, two hundred thirty-nine million, nineteen", and thus it is an aban number.