864234847203480 has 96 divisors (see below), whose sum is σ = 2877269674275360. Its totient is φ = 224841586260480.

The previous prime is 864234847203451. The next prime is 864234847203493. The reversal of 864234847203480 is 84302748432468.

It is a happy number.

864234847203480 is a `hidden beast` number, since 8 + 6 + 4 + 2 + 3 + 4 + 84 + 72 + 0 + 3 + 480 = 666.

It is a super-2 number, since 2×864234847203480² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 29276233452 + ... + 29276262971.

It is an arithmetic number, because the mean of its divisors is an integer number (29971559107035).

Almost surely, 2^{864234847203480} is an apocalyptic number.

It is an amenable number.

864234847203480 is an abundant number, since it is smaller than the sum of its proper divisors (2013034827071880).

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

864234847203480 is a wasteful number, since it uses less digits than its factorization.

864234847203480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58552496481 (or 58552496474 counting only the distinct ones).

The product of its (nonzero) digits is 198180864, while the sum is 63.

The spelling of 864234847203480 in words is "eight hundred sixty-four trillion, two hundred thirty-four billion, eight hundred forty-seven million, two hundred three thousand, four hundred eighty".