88806645 has 16 divisors (see below), whose sum is σ = 157878720. Its totient is φ = 47363472.

The previous prime is 88806637. The next prime is 88806649. The reversal of 88806645 is 54660888.

It is not a de Polignac number, because 88806645 - 2³ = 88806637 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 88806645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88806649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 328779 + ... + 329048.

It is an arithmetic number, because the mean of its divisors is an integer number (9867420).

Almost surely, 2^88806645 is an apocalyptic number.

It is an amenable number.

88806645 is a deficient number, since it is larger than the sum of its proper divisors (69072075).

88806645 is a wasteful number, since it uses less digits than its factorization.

88806645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657841 (or 657835 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The square root of 88806645 is about 9423.7277655926. The cubic root of 88806645 is about 446.1509489926.

The spelling of 88806645 in words is "eighty-eight million, eight hundred six thousand, six hundred forty-five".