88857029 has 2 divisors, whose sum is σ = 88857030. Its totient is φ = 88857028.

The previous prime is 88857023. The next prime is 88857031. The reversal of 88857029 is 92075888.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55100929 + 33756100 = 7423^2 + 5810^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88857029 is a prime.

Together with 88857031, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88857023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44428514 + 44428515.

It is an arithmetic number, because the mean of its divisors is an integer number (44428515).

Almost surely, 2^88857029 is an apocalyptic number.

It is an amenable number.

88857029 is a deficient number, since it is larger than the sum of its proper divisors (1).

88857029 is an equidigital number, since it uses as much as digits as its factorization.

88857029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 322560, while the sum is 47.

The square root of 88857029 is about 9426.4006386319. The cubic root of 88857029 is about 446.2353068679.

The spelling of 88857029 in words is "eighty-eight million, eight hundred fifty-seven thousand, twenty-nine".