88947642439 has 2 divisors, whose sum is σ = 88947642440. Its totient is φ = 88947642438.

The previous prime is 88947642419. The next prime is 88947642449. The reversal of 88947642439 is 93424674988.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 88947642439 - 2¹¹ = 88947640391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88947642409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44473821219 + 44473821220.

It is an arithmetic number, because the mean of its divisors is an integer number (44473821220).

Almost surely, 2^88947642439 is an apocalyptic number.

88947642439 is a deficient number, since it is larger than the sum of its proper divisors (1).

88947642439 is an equidigital number, since it uses as much as digits as its factorization.

88947642439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 83607552, while the sum is 64.

The spelling of 88947642439 in words is "eighty-eight billion, nine hundred forty-seven million, six hundred forty-two thousand, four hundred thirty-nine".