88378805 has 8 divisors (see below), whose sum is σ = 109711800. Its totient is φ = 68264896.

The previous prime is 88378751. The next prime is 88378817. The reversal of 88378805 is 50887388.

It can be written as a sum of positive squares in 4 ways, for example, as 31798321 + 56580484 = 5639^2 + 7522^2 .

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 88378805 - 2¹² = 88374709 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 88378805.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304610 + ... + 304899.

It is an arithmetic number, because the mean of its divisors is an integer number (13713975).

Almost surely, 2^88378805 is an apocalyptic number.

It is an amenable number.

88378805 is a deficient number, since it is larger than the sum of its proper divisors (21332995).

88378805 is a wasteful number, since it uses less digits than its factorization.

88378805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609543.

The product of its (nonzero) digits is 430080, while the sum is 47.

The square root of 88378805 is about 9401.0002127433. Note that the first 3 decimals coincide. The cubic root of 88378805 is about 445.4333278486.

The spelling of 88378805 in words is "eighty-eight million, three hundred seventy-eight thousand, eight hundred five".