3905170087 has 32 divisors (see below), whose sum is σ = 4935490560. Its totient is φ = 3007307520.

The previous prime is 3905170081. The next prime is 3905170123. The reversal of 3905170087 is 7800715093.

It is not a de Polignac number, because 3905170087 - 2³¹ = 1757686439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3905170081) 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, 1215339 + ... + 1218547.

It is an arithmetic number, because the mean of its divisors is an integer number (154234080).

Almost surely, 2^3905170087 is an apocalyptic number.

3905170087 is a deficient number, since it is larger than the sum of its proper divisors (1030320473).

3905170087 is a wasteful number, since it uses less digits than its factorization.

3905170087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3583.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 3905170087 is about 62491.3600988169. The cubic root of 3905170087 is about 1574.7561677794.

The spelling of 3905170087 in words is "three billion, nine hundred five million, one hundred seventy thousand, eighty-seven".