3956769855 has 48 divisors (see below), whose sum is σ = 7355668320. Its totient is φ = 1961466624.

The previous prime is 3956769851. The next prime is 3956769881. The reversal of 3956769855 is 5589676593.

3956769855 is a `hidden beast` number, since 3 + 9 + 567 + 69 + 8 + 5 + 5 = 666.

It is not a de Polignac number, because 3956769855 - 2² = 3956769851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3956769792 and 3956769801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3956769851) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1657 + ... + 88973.

It is an arithmetic number, because the mean of its divisors is an integer number (153243090).

Almost surely, 2^3956769855 is an apocalyptic number.

3956769855 is a deficient number, since it is larger than the sum of its proper divisors (3398898465).

3956769855 is a wasteful number, since it uses less digits than its factorization.

3956769855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87400 (or 87397 counting only the distinct ones).

The product of its digits is 61236000, while the sum is 63.

The square root of 3956769855 is about 62902.8604675495. The cubic root of 3956769855 is about 1581.6616944652.

The spelling of 3956769855 in words is "three billion, nine hundred fifty-six million, seven hundred sixty-nine thousand, eight hundred fifty-five".