88316645 has 4 divisors (see below), whose sum is σ = 105979980. Its totient is φ = 70653312.

The previous prime is 88316633. The next prime is 88316647. The reversal of 88316645 is 54661388.

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 16507969 + 71808676 = 4063^2 + 8474^2 .

It is a cyclic number.

It is not a de Polignac number, because 88316645 - 2¹⁸ = 88054501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88316647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8831660 + ... + 8831669.

It is an arithmetic number, because the mean of its divisors is an integer number (26494995).

Almost surely, 2^88316645 is an apocalyptic number.

It is an amenable number.

88316645 is a deficient number, since it is larger than the sum of its proper divisors (17663335).

88316645 is a wasteful number, since it uses less digits than its factorization.

88316645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17663334.

The product of its digits is 138240, while the sum is 41.

The square root of 88316645 is about 9397.6936000276. The cubic root of 88316645 is about 445.3288735828.

The spelling of 88316645 in words is "eighty-eight million, three hundred sixteen thousand, six hundred forty-five".