3954779136 has 264 divisors, whose sum is σ = 14239652544. Its totient is φ = 1027031040.

The previous prime is 3954779123. The next prime is 3954779141. The reversal of 3954779136 is 6319774593.

It is a happy number.

3954779136 is a `hidden beast` number, since 3 + 9 + 547 + 7 + 91 + 3 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (264).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 706846 + ... + 712418.

Almost surely, 2^3954779136 is an apocalyptic number.

3954779136 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3954779136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7119826272).

3954779136 is an abundant number, since it is smaller than the sum of its proper divisors (10284873408).

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

3954779136 is a wasteful number, since it uses less digits than its factorization.

3954779136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5617 (or 5596 counting only the distinct ones).

The product of its digits is 4286520, while the sum is 54.

The square root of 3954779136 is about 62887.0347209979. The cubic root of 3954779136 is about 1581.3963962299.

The spelling of 3954779136 in words is "three billion, nine hundred fifty-four million, seven hundred seventy-nine thousand, one hundred thirty-six".