7872552787 has 8 divisors (see below), whose sum is σ = 8590153392. Its totient is φ = 7155271200.

The previous prime is 7872552749. The next prime is 7872552811.

7872552787 is nontrivially palindromic in base 10.

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-7872552787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7872556787) 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, 26608 + ... + 128269.

It is an arithmetic number, because the mean of its divisors is an integer number (1073769174).

Almost surely, 2^7872552787 is an apocalyptic number.

7872552787 is a deficient number, since it is larger than the sum of its proper divisors (717600605).

7872552787 is a wasteful number, since it uses less digits than its factorization.

7872552787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159509.

The product of its digits is 15366400, while the sum is 58.

The square root of 7872552787 is about 88727.4071919156. The cubic root of 7872552787 is about 1989.3224958132.

The spelling of 7872552787 in words is "seven billion, eight hundred seventy-two million, five hundred fifty-two thousand, seven hundred eighty-seven".