88078817 has 8 divisors (see below), whose sum is σ = 88953000. Its totient is φ = 87208704.

The previous prime is 88078811. The next prime is 88078841. The reversal of 88078817 is 71887088.

It can be written as a sum of positive squares in 4 ways, for example, as 1048576 + 87030241 = 1024^2 + 9329^2 .

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 88078817 - 2¹⁰ = 88077793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (88078811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58409 + ... + 59897.

It is an arithmetic number, because the mean of its divisors is an integer number (11119125).

Almost surely, 2^88078817 is an apocalyptic number.

It is an amenable number.

88078817 is a deficient number, since it is larger than the sum of its proper divisors (874183).

88078817 is a wasteful number, since it uses less digits than its factorization.

88078817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2035.

The product of its (nonzero) digits is 200704, while the sum is 47.

The square root of 88078817 is about 9385.0315396380. The cubic root of 88078817 is about 444.9287720024.

It can be divided in two parts, 880 and 78817, that added together give a palindrome (79697).

The spelling of 88078817 in words is "eighty-eight million, seventy-eight thousand, eight hundred seventeen".