7718214680 has 64 divisors (see below), whose sum is σ = 19184601600. Its totient is φ = 2771084160.

The previous prime is 7718214661. The next prime is 7718214697. The reversal of 7718214680 is 864128177.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76262 + ... + 145781.

It is an arithmetic number, because the mean of its divisors is an integer number (299759400).

Almost surely, 2^7718214680 is an apocalyptic number.

It is an amenable number.

7718214680 is an abundant number, since it is smaller than the sum of its proper divisors (11466386920).

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

7718214680 is a wasteful number, since it uses less digits than its factorization.

7718214680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222144 (or 222140 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 44.

The square root of 7718214680 is about 87853.3703394469. The cubic root of 7718214680 is about 1976.2366600941.

The spelling of 7718214680 in words is "seven billion, seven hundred eighteen million, two hundred fourteen thousand, six hundred eighty".