8527780664 has 16 divisors (see below), whose sum is σ = 17219557320. Its totient is φ = 3935898720.

The previous prime is 8527780603. The next prime is 8527780673. The reversal of 8527780664 is 4660877258.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40998842 + ... + 40999049.

Almost surely, 2^8527780664 is an apocalyptic number.

It is an amenable number.

8527780664 is an abundant number, since it is smaller than the sum of its proper divisors (8691776656).

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

8527780664 is a wasteful number, since it uses less digits than its factorization.

8527780664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81997910 (or 81997906 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 53.

The square root of 8527780664 is about 92345.9834751897. The cubic root of 8527780664 is about 2043.0484878258.

The spelling of 8527780664 in words is "eight billion, five hundred twenty-seven million, seven hundred eighty thousand, six hundred sixty-four".