3897470055 has 16 divisors (see below), whose sum is σ = 6238995840. Its totient is φ = 2077636128.

The previous prime is 3897470039. The next prime is 3897470069. The reversal of 3897470055 is 5500747983.

It is not a de Polignac number, because 3897470055 - 2⁴ = 3897470039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3897469986 and 3897470013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31125 + ... + 93614.

It is an arithmetic number, because the mean of its divisors is an integer number (389937240).

Almost surely, 2^3897470055 is an apocalyptic number.

3897470055 is a deficient number, since it is larger than the sum of its proper divisors (2341525785).

3897470055 is a wasteful number, since it uses less digits than its factorization.

3897470055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126830.

The product of its (nonzero) digits is 1058400, while the sum is 48.

The square root of 3897470055 is about 62429.7209268150. The cubic root of 3897470055 is about 1573.7204765490.

The spelling of 3897470055 in words is "three billion, eight hundred ninety-seven million, four hundred seventy thousand, fifty-five".