718380717860 has 48 divisors (see below), whose sum is σ = 1625627072496. Its totient is φ = 265088028672.

The previous prime is 718380717841. The next prime is 718380717869. The reversal of 718380717860 is 68717083817.

It is a happy number.

718380717860 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 8 ways, for example, as 244453114084 + 473927603776 = 494422^2 + 688424^2 .

It is a junction number, because it is equal to n+sod(n) for n = 718380717796 and 718380717805.

It is not an unprimeable number, because it can be changed into a prime (718380717869) 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, 402917 + ... + 1264556.

It is an arithmetic number, because the mean of its divisors is an integer number (33867230677).

Almost surely, 2^718380717860 is an apocalyptic number.

It is an amenable number.

718380717860 is an abundant number, since it is smaller than the sum of its proper divisors (907246354636).

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

718380717860 is a wasteful number, since it uses less digits than its factorization.

718380717860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669152 (or 1669150 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 56.

The spelling of 718380717860 in words is "seven hundred eighteen billion, three hundred eighty million, seven hundred seventeen thousand, eight hundred sixty".