45008787617 has 8 divisors (see below), whose sum is σ = 45136261416. Its totient is φ = 44881385472.

The previous prime is 45008787581. The next prime is 45008787623. The reversal of 45008787617 is 71678780054.

It can be written as a sum of positive squares in 4 ways, for example, as 612612001 + 44396175616 = 24751^2 + 210704^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 45008787617 - 2⁸ = 45008787361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45008787667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1396193 + ... + 1428065.

It is an arithmetic number, because the mean of its divisors is an integer number (5642032677).

Almost surely, 2^45008787617 is an apocalyptic number.

It is an amenable number.

45008787617 is a deficient number, since it is larger than the sum of its proper divisors (127473799).

45008787617 is a wasteful number, since it uses less digits than its factorization.

45008787617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35827.

The product of its (nonzero) digits is 2634240, while the sum is 53.

The spelling of 45008787617 in words is "forty-five billion, eight million, seven hundred eighty-seven thousand, six hundred seventeen".