4097778192 has 120 divisors (see below), whose sum is σ = 12268574136. Its totient is φ = 1272250368.

The previous prime is 4097778149. The next prime is 4097778193. The reversal of 4097778192 is 2918777904.

4097778192 is a `hidden beast` number, since 409 + 7 + 77 + 81 + 92 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 184525056 + 3913253136 = 13584^2 + 62556^2 .

It is a super-2 number, since 2×4097778192² = 33583572221661577728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4097778193) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 228828 + ... + 246084.

Almost surely, 2^4097778192 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 4097778192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6134287068).

4097778192 is an abundant number, since it is smaller than the sum of its proper divisors (8170795944).

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

4097778192 is a wasteful number, since it uses less digits than its factorization.

4097778192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17385 (or 17376 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 54.

The square root of 4097778192 is about 64013.8906175839. The cubic root of 4097778192 is about 1600.2315019193.

The spelling of 4097778192 in words is "four billion, ninety-seven million, seven hundred seventy-eight thousand, one hundred ninety-two".