8777045640 has 128 divisors (see below), whose sum is σ = 29973888000. Its totient is φ = 2035249920.

The previous prime is 8777045639. The next prime is 8777045701. The reversal of 8777045640 is 465407778.

It is a self number, because there is not a number n which added to its sum of digits gives 8777045640.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114190 + ... + 174909.

It is an arithmetic number, because the mean of its divisors is an integer number (234171000).

Almost surely, 2^8777045640 is an apocalyptic number.

It is an amenable number.

8777045640 is an abundant number, since it is smaller than the sum of its proper divisors (21196842360).

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

8777045640 is a wasteful number, since it uses less digits than its factorization.

8777045640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289147 (or 289143 counting only the distinct ones).

The product of its (nonzero) digits is 1317120, while the sum is 48.

The square root of 8777045640 is about 93685.8881582493. Note that the first 3 decimals coincide. The cubic root of 8777045640 is about 2062.7635671254.

The spelling of 8777045640 in words is "eight billion, seven hundred seventy-seven million, forty-five thousand, six hundred forty".