6255213987 has 8 divisors (see below), whose sum is σ = 9098493120. Its totient is φ = 3791038760.

The previous prime is 6255213949. The next prime is 6255213989. The reversal of 6255213987 is 7893125526.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6255213987 - 2¹⁶ = 6255148451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6255213989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94775937 + ... + 94776002.

It is an arithmetic number, because the mean of its divisors is an integer number (1137311640).

Almost surely, 2^6255213987 is an apocalyptic number.

6255213987 is a deficient number, since it is larger than the sum of its proper divisors (2843279133).

6255213987 is a wasteful number, since it uses less digits than its factorization.

6255213987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189551953.

The product of its digits is 907200, while the sum is 48.

The square root of 6255213987 is about 79089.9107788092. The cubic root of 6255213987 is about 1842.5278334090.

The spelling of 6255213987 in words is "six billion, two hundred fifty-five million, two hundred thirteen thousand, nine hundred eighty-seven".