88081505 has 8 divisors (see below), whose sum is σ = 111915432. Its totient is φ = 66320128.

The previous prime is 88081463. The next prime is 88081517. The reversal of 88081505 is 50518088.

It can be written as a sum of positive squares in 4 ways, for example, as 14190289 + 73891216 = 3767^2 + 8596^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 88081505 - 2⁸ = 88081249 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518042 + ... + 518211.

It is an arithmetic number, because the mean of its divisors is an integer number (13989429).

Almost surely, 2^88081505 is an apocalyptic number.

88081505 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

88081505 is a deficient number, since it is larger than the sum of its proper divisors (23833927).

88081505 is a wasteful number, since it uses less digits than its factorization.

88081505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036275.

The product of its (nonzero) digits is 12800, while the sum is 35.

The square root of 88081505 is about 9385.1747453098. The cubic root of 88081505 is about 444.9332980864.

The spelling of 88081505 in words is "eighty-eight million, eighty-one thousand, five hundred five".