6427572555 has 16 divisors (see below), whose sum is σ = 10286503200. Its totient is φ = 3427243008.

The previous prime is 6427572461. The next prime is 6427572563. The reversal of 6427572555 is 5552757246.

It is not a de Polignac number, because 6427572555 - 2¹⁴ = 6427556171 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20221 + ... + 115169.

It is an arithmetic number, because the mean of its divisors is an integer number (642906450).

Almost surely, 2^6427572555 is an apocalyptic number.

6427572555 is a deficient number, since it is larger than the sum of its proper divisors (3858930645).

6427572555 is a wasteful number, since it uses less digits than its factorization.

6427572555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99470.

The product of its digits is 2940000, while the sum is 48.

The square root of 6427572555 is about 80172.1432606114. The cubic root of 6427572555 is about 1859.2979733004.

The spelling of 6427572555 in words is "six billion, four hundred twenty-seven million, five hundred seventy-two thousand, five hundred fifty-five".