17012400858 has 12 divisors (see below), whose sum is σ = 36860201898. Its totient is φ = 5670800280.

The previous prime is 17012400841. The next prime is 17012400859. The reversal of 17012400858 is 85800421071.

17012400858 is a `hidden beast` number, since 170 + 1 + 2 + 400 + 85 + 8 = 666.

17012400858 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 16818717969 + 193682889 = 129687^2 + 13917^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (17012400859) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 472566673 + ... + 472566708.

Almost surely, 2^17012400858 is an apocalyptic number.

17012400858 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

17012400858 is an abundant number, since it is smaller than the sum of its proper divisors (19847801040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

17012400858 is a wasteful number, since it uses less digits than its factorization.

17012400858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945133389 (or 945133386 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The spelling of 17012400858 in words is "seventeen billion, twelve million, four hundred thousand, eight hundred fifty-eight".