88815745 has 8 divisors (see below), whose sum is σ = 106650216. Its totient is φ = 71005056.

The previous prime is 88815743. The next prime is 88815763. The reversal of 88815745 is 54751888.

It can be written as a sum of positive squares in 4 ways, for example, as 2715904 + 86099841 = 1648^2 + 9279^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 88815745 - 2¹ = 88815743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 88815695 and 88815704.

It is not an unprimeable number, because it can be changed into a prime (88815743) 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 in 7 ways as a sum of consecutive naturals, for example, 3699 + ... + 13831.

It is an arithmetic number, because the mean of its divisors is an integer number (13331277).

Almost surely, 2^88815745 is an apocalyptic number.

It is an amenable number.

88815745 is a deficient number, since it is larger than the sum of its proper divisors (17834471).

88815745 is a wasteful number, since it uses less digits than its factorization.

88815745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11891.

The product of its digits is 358400, while the sum is 46.

The square root of 88815745 is about 9424.2105770192. The cubic root of 88815745 is about 446.1661874730.

The spelling of 88815745 in words is "eighty-eight million, eight hundred fifteen thousand, seven hundred forty-five".