7875287545 has 8 divisors (see below), whose sum is σ = 9467625024. Its totient is φ = 6288710064.

The previous prime is 7875287509. The next prime is 7875287549. The reversal of 7875287545 is 5457825787.

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 7875287545 - 2¹⁷ = 7875156473 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7875287545.

It is not an unprimeable number, because it can be changed into a prime (7875287549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1436989 + ... + 1442458.

It is an arithmetic number, because the mean of its divisors is an integer number (1183453128).

Almost surely, 2^7875287545 is an apocalyptic number.

It is an amenable number.

7875287545 is a deficient number, since it is larger than the sum of its proper divisors (1592337479).

7875287545 is a wasteful number, since it uses less digits than its factorization.

7875287545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2879999.

The product of its digits is 21952000, while the sum is 58.

The square root of 7875287545 is about 88742.8168642398. The cubic root of 7875287545 is about 1989.5528186377.

The spelling of 7875287545 in words is "seven billion, eight hundred seventy-five million, two hundred eighty-seven thousand, five hundred forty-five".