3955115847 has 32 divisors (see below), whose sum is σ = 5479778304. Its totient is φ = 2535814400.

The previous prime is 3955115821. The next prime is 3955115861. The reversal of 3955115847 is 7485115593.

It is a cyclic number.

It is not a de Polignac number, because 3955115847 - 2¹⁵ = 3955083079 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3955115796 and 3955115805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3955115947) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4614643 + ... + 4615499.

It is an arithmetic number, because the mean of its divisors is an integer number (171243072).

Almost surely, 2^3955115847 is an apocalyptic number.

3955115847 is a deficient number, since it is larger than the sum of its proper divisors (1524662457).

3955115847 is a wasteful number, since it uses less digits than its factorization.

3955115847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439.

The product of its digits is 756000, while the sum is 48.

The square root of 3955115847 is about 62889.7117738665. The cubic root of 3955115847 is about 1581.4412751332.

The spelling of 3955115847 in words is "three billion, nine hundred fifty-five million, one hundred fifteen thousand, eight hundred forty-seven".