417254249887 has 8 divisors (see below), whose sum is σ = 418549510400. Its totient is φ = 415959850584.

The previous prime is 417254249861. The next prime is 417254249989. The reversal of 417254249887 is 788942452714.

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 417254249887 - 2¹⁹ = 417253725599 is a prime.

It is a super-2 number, since 2×417254249887² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (417254249827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 762064 + ... + 1189642.

It is an arithmetic number, because the mean of its divisors is an integer number (52318688800).

Almost surely, 2^417254249887 is an apocalyptic number.

417254249887 is a deficient number, since it is larger than the sum of its proper divisors (1295260513).

417254249887 is a wasteful number, since it uses less digits than its factorization.

417254249887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430605.

The product of its digits is 36126720, while the sum is 61.

The spelling of 417254249887 in words is "four hundred seventeen billion, two hundred fifty-four million, two hundred forty-nine thousand, eight hundred eighty-seven".