864051706802 has 4 divisors (see below), whose sum is σ = 1296077560206. Its totient is φ = 432025853400.

The previous prime is 864051706801. The next prime is 864051706807. The reversal of 864051706802 is 208607150468.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 841877816521 + 22173890281 = 917539^2 + 148909^2 .

It is not an unprimeable number, because it can be changed into a prime (864051706801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216012926699 + ... + 216012926702.

Almost surely, 2^864051706802 is an apocalyptic number.

864051706802 is a deficient number, since it is larger than the sum of its proper divisors (432025853404).

864051706802 is a wasteful number, since it uses less digits than its factorization.

864051706802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432025853403.

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 864051706802 in words is "eight hundred sixty-four billion, fifty-one million, seven hundred six thousand, eight hundred two".