22779461376 has 216 divisors, whose sum is σ = 75840526944. Its totient is φ = 6440878080.

The previous prime is 22779461347. The next prime is 22779461407. The reversal of 22779461376 is 67316497722.

22779461376 is a `hidden beast` number, since 227 + 7 + 9 + 46 + 1 + 376 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1557136 + ... + 1571696.

Almost surely, 2^22779461376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22779461376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37920263472).

22779461376 is an abundant number, since it is smaller than the sum of its proper divisors (53061065568).

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

22779461376 is a wasteful number, since it uses less digits than its factorization.

22779461376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14687 (or 14670 counting only the distinct ones).

The product of its digits is 5334336, while the sum is 54.

The spelling of 22779461376 in words is "twenty-two billion, seven hundred seventy-nine million, four hundred sixty-one thousand, three hundred seventy-six".