88278593 has 8 divisors (see below), whose sum is σ = 95343528. Its totient is φ = 81252864.

The previous prime is 88278583. The next prime is 88278599. The reversal of 88278593 is 39587288.

It can be written as a sum of positive squares in 4 ways, for example, as 350464 + 87928129 = 592^2 + 9377^2 .

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 88278593 - 2¹⁰ = 88277569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88278599) 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, 5030 + ... + 14207.

It is an arithmetic number, because the mean of its divisors is an integer number (11917941).

Almost surely, 2^88278593 is an apocalyptic number.

It is an amenable number.

88278593 is a deficient number, since it is larger than the sum of its proper divisors (7064935).

88278593 is a wasteful number, since it uses less digits than its factorization.

88278593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19603.

The product of its digits is 967680, while the sum is 50.

The square root of 88278593 is about 9395.6688426104. The cubic root of 88278593 is about 445.2649064465.

The spelling of 88278593 in words is "eighty-eight million, two hundred seventy-eight thousand, five hundred ninety-three".