88928705 has 4 divisors (see below), whose sum is σ = 106714452. Its totient is φ = 71142960.

The previous prime is 88928659. The next prime is 88928729. The reversal of 88928705 is 50782988.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37834801 + 51093904 = 6151^2 + 7148^2 .

It is not a de Polignac number, because 88928705 - 2¹⁶ = 88863169 is a prime.

It is a Duffinian number.

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 88928705.

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 3 ways as a sum of consecutive naturals, for example, 8892866 + ... + 8892875.

It is an arithmetic number, because the mean of its divisors is an integer number (26678613).

Almost surely, 2^88928705 is an apocalyptic number.

It is an amenable number.

88928705 is a deficient number, since it is larger than the sum of its proper divisors (17785747).

88928705 is a wasteful number, since it uses less digits than its factorization.

88928705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17785746.

The product of its (nonzero) digits is 322560, while the sum is 47.

The square root of 88928705 is about 9430.2017475768. The cubic root of 88928705 is about 446.3552589830.

The spelling of 88928705 in words is "eighty-eight million, nine hundred twenty-eight thousand, seven hundred five".