3945758877155 has 16 divisors (see below), whose sum is σ = 4877311202400. Its totient is φ = 3062179717632.

The previous prime is 3945758877133. The next prime is 3945758877157. The reversal of 3945758877155 is 5517788575493.

It is a cyclic number.

It is not a de Polignac number, because 3945758877155 - 2¹² = 3945758873059 is a prime.

It is a Smith number, since the sum of its digits (74) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (3945758877157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31582205 + ... + 31706894.

It is an arithmetic number, because the mean of its divisors is an integer number (304831950150).

Almost surely, 2^{3945758877155} is an apocalyptic number.

3945758877155 is a deficient number, since it is larger than the sum of its proper divisors (931552325245).

3945758877155 is a wasteful number, since it uses less digits than its factorization.

3945758877155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63289478.

The product of its digits is 1481760000, while the sum is 74.

The spelling of 3945758877155 in words is "three trillion, nine hundred forty-five billion, seven hundred fifty-eight million, eight hundred seventy-seven thousand, one hundred fifty-five".