3897075555 has 48 divisors (see below), whose sum is σ = 6846917376. Its totient is φ = 2050297920.

The previous prime is 3897075551. The next prime is 3897075577. The reversal of 3897075555 is 5555707983.

3897075555 = 6100² + 6101² + ... + 6202².

3897075555 is a `hidden beast` number, since 3 + 89 + 7 + 0 + 7 + 5 + 555 = 666.

It is not a de Polignac number, because 3897075555 - 2² = 3897075551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3897075551) 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, 1310220 + ... + 1313190.

It is an arithmetic number, because the mean of its divisors is an integer number (142644112).

Almost surely, 2^3897075555 is an apocalyptic number.

3897075555 is a deficient number, since it is larger than the sum of its proper divisors (2949841821).

3897075555 is a wasteful number, since it uses less digits than its factorization.

3897075555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3368 (or 3365 counting only the distinct ones).

The product of its (nonzero) digits is 6615000, while the sum is 54.

The square root of 3897075555 is about 62426.5612940517. The cubic root of 3897075555 is about 1573.6673776868.

The spelling of 3897075555 in words is "three billion, eight hundred ninety-seven million, seventy-five thousand, five hundred fifty-five".