8778499122 has 16 divisors (see below), whose sum is σ = 17559954720. Its totient is φ = 2925673632.

The previous prime is 8778499109. The next prime is 8778499123. The reversal of 8778499122 is 2219948778.

It is not an unprimeable number, because it can be changed into a prime (8778499123) 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, 83608 + ... + 156675.

It is an arithmetic number, because the mean of its divisors is an integer number (1097497170).

Almost surely, 2^8778499122 is an apocalyptic number.

8778499122 is an abundant number, since it is smaller than the sum of its proper divisors (8781455598).

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

8778499122 is a wasteful number, since it uses less digits than its factorization.

8778499122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246377.

The product of its digits is 4064256, while the sum is 57.

The square root of 8778499122 is about 93693.6450459688. The cubic root of 8778499122 is about 2062.8774256435.

The spelling of 8778499122 in words is "eight billion, seven hundred seventy-eight million, four hundred ninety-nine thousand, one hundred twenty-two".