88990745 has 8 divisors (see below), whose sum is σ = 107386560. Its totient is φ = 70794160.

The previous prime is 88990721. The next prime is 88990747. The reversal of 88990745 is 54709988.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-88990745 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 88990693 and 88990702.

It is not an unprimeable number, because it can be changed into a prime (88990747) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 48821 + ... + 50610.

It is an arithmetic number, because the mean of its divisors is an integer number (13423320).

Almost surely, 2^88990745 is an apocalyptic number.

It is an amenable number.

88990745 is a deficient number, since it is larger than the sum of its proper divisors (18395815).

88990745 is a wasteful number, since it uses less digits than its factorization.

88990745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99615.

The product of its (nonzero) digits is 725760, while the sum is 50.

The square root of 88990745 is about 9433.4906052850. The cubic root of 88990745 is about 446.4590329112.

The spelling of 88990745 in words is "eighty-eight million, nine hundred ninety thousand, seven hundred forty-five".