8648781522 has 32 divisors (see below), whose sum is σ = 17775920448. Its totient is φ = 2803777536.

The previous prime is 8648781511. The next prime is 8648781539. The reversal of 8648781522 is 2251878468.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11823 + ... + 132050.

It is an arithmetic number, because the mean of its divisors is an integer number (555497514).

Almost surely, 2^8648781522 is an apocalyptic number.

8648781522 is an abundant number, since it is smaller than the sum of its proper divisors (9127138926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8648781522 is a wasteful number, since it uses less digits than its factorization.

8648781522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144154.

The product of its digits is 1720320, while the sum is 51.

The square root of 8648781522 is about 92998.8253796789. The cubic root of 8648781522 is about 2052.6660946639. Note that the first 3 decimals are identical.

The spelling of 8648781522 in words is "eight billion, six hundred forty-eight million, seven hundred eighty-one thousand, five hundred twenty-two".