864513702 has 64 divisors (see below), whose sum is σ = 2072770560. Its totient is φ = 265509792.

The previous prime is 864513677. The next prime is 864513721. The reversal of 864513702 is 207315468.

864513702 is a `hidden beast` number, since 8 + 645 + 1 + 3 + 7 + 0 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 605113 + ... + 606539.

It is an arithmetic number, because the mean of its divisors is an integer number (32387040).

Almost surely, 2^864513702 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 864513702, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1036385280).

864513702 is an abundant number, since it is smaller than the sum of its proper divisors (1208256858).

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

864513702 is a wasteful number, since it uses less digits than its factorization.

864513702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2314 (or 2308 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 864513702 is about 29402.6138633966. The cubic root of 864513702 is about 952.6293556106.

The spelling of 864513702 in words is "eight hundred sixty-four million, five hundred thirteen thousand, seven hundred two".