8770822638 has 16 divisors (see below), whose sum is σ = 17546000976. Its totient is φ = 2922881600.

The previous prime is 8770822561. The next prime is 8770822639. The reversal of 8770822638 is 8362280778.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8770822639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155013 + ... + 203888.

It is an arithmetic number, because the mean of its divisors is an integer number (1096625061).

Almost surely, 2^8770822638 is an apocalyptic number.

8770822638 is an abundant number, since it is smaller than the sum of its proper divisors (8775178338).

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

8770822638 is a wasteful number, since it uses less digits than its factorization.

8770822638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362979.

The product of its (nonzero) digits is 1806336, while the sum is 51.

The square root of 8770822638 is about 93652.6702128669. The cubic root of 8770822638 is about 2062.2759460710.

The spelling of 8770822638 in words is "eight billion, seven hundred seventy million, eight hundred twenty-two thousand, six hundred thirty-eight".