88129871 has 2 divisors, whose sum is σ = 88129872. Its totient is φ = 88129870.

The previous prime is 88129861. The next prime is 88129891. The reversal of 88129871 is 17892188.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 88129871 - 2¹⁸ = 87867727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88129861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44064935 + 44064936.

It is an arithmetic number, because the mean of its divisors is an integer number (44064936).

Almost surely, 2^88129871 is an apocalyptic number.

88129871 is a deficient number, since it is larger than the sum of its proper divisors (1).

88129871 is an equidigital number, since it uses as much as digits as its factorization.

88129871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 44.

The square root of 88129871 is about 9387.7511151500. The cubic root of 88129871 is about 445.0147215599.

The spelling of 88129871 in words is "eighty-eight million, one hundred twenty-nine thousand, eight hundred seventy-one".