860999728345 has 16 divisors (see below), whose sum is σ = 1086349018320. Its totient is φ = 654145632000.

The previous prime is 860999728343. The next prime is 860999728411. The reversal of 860999728345 is 543827999068.

It can be written as a sum of positive squares in 8 ways, for example, as 18299596176 + 842700132169 = 135276^2 + 917987^2 .

It is not a de Polignac number, because 860999728345 - 2¹ = 860999728343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (860999728343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48662706 + ... + 48680395.

It is an arithmetic number, because the mean of its divisors is an integer number (67896813645).

Almost surely, 2^860999728345 is an apocalyptic number.

It is an amenable number.

860999728345 is a deficient number, since it is larger than the sum of its proper divisors (225349289975).

860999728345 is a wasteful number, since it uses less digits than its factorization.

860999728345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97343196.

The product of its (nonzero) digits is 235146240, while the sum is 70.

The spelling of 860999728345 in words is "eight hundred sixty billion, nine hundred ninety-nine million, seven hundred twenty-eight thousand, three hundred forty-five".