4111608978 has 16 divisors (see below), whose sum is σ = 9136908960. Its totient is φ = 1370536308.

The previous prime is 4111608973. The next prime is 4111608983. The reversal of 4111608978 is 8798061114.

It is a happy number.

4111608978 is a `hidden beast` number, since 411 + 160 + 8 + 9 + 78 = 666.

It is an interprime number because it is at equal distance from previous prime (4111608973) and next prime (4111608983).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4111608973) 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, 38070400 + ... + 38070507.

It is an arithmetic number, because the mean of its divisors is an integer number (571056810).

Almost surely, 2^4111608978 is an apocalyptic number.

4111608978 is an abundant number, since it is smaller than the sum of its proper divisors (5025299982).

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

4111608978 is a wasteful number, since it uses less digits than its factorization.

4111608978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76140918 (or 76140912 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 45.

The square root of 4111608978 is about 64121.8291847636. The cubic root of 4111608978 is about 1602.0298427579.

It can be divided in two parts, 4111 and 608978, that added together give a square (613089 = 783²).

The spelling of 4111608978 in words is "four billion, one hundred eleven million, six hundred eight thousand, nine hundred seventy-eight".