88204645 has 4 divisors (see below), whose sum is σ = 105845580. Its totient is φ = 70563712.

The previous prime is 88204639. The next prime is 88204651. The reversal of 88204645 is 54640288.

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

It is an interprime number because it is at equal distance from previous prime (88204639) and next prime (88204651).

It can be written as a sum of positive squares in 2 ways, for example, as 62631396 + 25573249 = 7914^2 + 5057^2 .

It is a cyclic number.

It is not a de Polignac number, because 88204645 - 2³ = 88204637 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 8820460 + ... + 8820469.

It is an arithmetic number, because the mean of its divisors is an integer number (26461395).

Almost surely, 2^88204645 is an apocalyptic number.

It is an amenable number.

88204645 is a deficient number, since it is larger than the sum of its proper divisors (17640935).

88204645 is a wasteful number, since it uses less digits than its factorization.

88204645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17640934.

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 88204645 is about 9391.7328007136. The cubic root of 88204645 is about 445.1405439170.

The spelling of 88204645 in words is "eighty-eight million, two hundred four thousand, six hundred forty-five".