8712587722 has 8 divisors (see below), whose sum is σ = 13070139876. Its totient is φ = 4355874432.

The previous prime is 8712587687. The next prime is 8712587743. The reversal of 8712587722 is 2277852178.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6817639761 + 1894947961 = 82569^2 + 43531^2 .

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

It is a super-3 number, since 3×8712587722³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183073 + ... + 225700.

Almost surely, 2^8712587722 is an apocalyptic number.

8712587722 is a deficient number, since it is larger than the sum of its proper divisors (4357552154).

8712587722 is a wasteful number, since it uses less digits than its factorization.

8712587722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419432.

The product of its digits is 878080, while the sum is 49.

The square root of 8712587722 is about 93341.2434136165. The cubic root of 8712587722 is about 2057.7015652137.

The spelling of 8712587722 in words is "eight billion, seven hundred twelve million, five hundred eighty-seven thousand, seven hundred twenty-two".