718430077660 has 24 divisors (see below), whose sum is σ = 1531221123600. Its totient is φ = 283082895744.

The previous prime is 718430077657. The next prime is 718430077693. The reversal of 718430077660 is 66770034817.

It is a super-2 number, since 2×718430077660² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268069585 + ... + 268072264.

It is an arithmetic number, because the mean of its divisors is an integer number (63800880150).

Almost surely, 2^718430077660 is an apocalyptic number.

It is an amenable number.

718430077660 is an abundant number, since it is smaller than the sum of its proper divisors (812791045940).

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

718430077660 is a wasteful number, since it uses less digits than its factorization.

718430077660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536141925 (or 536141923 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 49.

The spelling of 718430077660 in words is "seven hundred eighteen billion, four hundred thirty million, seventy-seven thousand, six hundred sixty".