88640545 has 8 divisors (see below), whose sum is σ = 121564224. Its totient is φ = 60782064.

The previous prime is 88640521. The next prime is 88640579. The reversal of 88640545 is 54504688.

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

It is not a de Polignac number, because 88640545 - 2¹¹ = 88638497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 88640498 and 88640507.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1266259 + ... + 1266328.

It is an arithmetic number, because the mean of its divisors is an integer number (15195528).

Almost surely, 2^88640545 is an apocalyptic number.

It is an amenable number.

88640545 is a deficient number, since it is larger than the sum of its proper divisors (32923679).

88640545 is a wasteful number, since it uses less digits than its factorization.

88640545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2532599.

The product of its (nonzero) digits is 153600, while the sum is 40.

The square root of 88640545 is about 9414.9107802464. The cubic root of 88640545 is about 445.8726217645.

The spelling of 88640545 in words is "eighty-eight million, six hundred forty thousand, five hundred forty-five".