88117829 has 2 divisors, whose sum is σ = 88117830. Its totient is φ = 88117828.

The previous prime is 88117819. The next prime is 88117837. The reversal of 88117829 is 92871188.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84676804 + 3441025 = 9202^2 + 1855^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88117829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 88117829.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88117819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44058914 + 44058915.

It is an arithmetic number, because the mean of its divisors is an integer number (44058915).

Almost surely, 2^88117829 is an apocalyptic number.

It is an amenable number.

88117829 is a deficient number, since it is larger than the sum of its proper divisors (1).

88117829 is an equidigital number, since it uses as much as digits as its factorization.

88117829 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 88117829 is about 9387.1097255758. The cubic root of 88117829 is about 444.9944518098.

The spelling of 88117829 in words is "eighty-eight million, one hundred seventeen thousand, eight hundred twenty-nine".