8700685522 has 16 divisors (see below), whose sum is σ = 13372477272. Its totient is φ = 4243242880.

The previous prime is 8700685517. The next prime is 8700685537. The reversal of 8700685522 is 2255860078.

It can be written as a sum of positive squares in 4 ways, for example, as 7349461441 + 1351224081 = 85729^2 + 36759^2 .

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, 439428 + ... + 458800.

Almost surely, 2^8700685522 is an apocalyptic number.

8700685522 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

8700685522 is a deficient number, since it is larger than the sum of its proper divisors (4671791750).

8700685522 is a wasteful number, since it uses less digits than its factorization.

8700685522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24893.

The product of its (nonzero) digits is 268800, while the sum is 43.

The square root of 8700685522 is about 93277.4652421473. The cubic root of 8700685522 is about 2056.7641347118.

The spelling of 8700685522 in words is "eight billion, seven hundred million, six hundred eighty-five thousand, five hundred twenty-two".