78346837168 has 40 divisors (see below), whose sum is σ = 157204382720. Its totient is φ = 37786201920.

The previous prime is 78346837103. The next prime is 78346837171. The reversal of 78346837168 is 86173864387.

It is a happy number.

It is a super-2 number, since 2×78346837168² (a number of 23 digits) contains 22 as substring.

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, 104988 + ... + 409531.

It is an arithmetic number, because the mean of its divisors is an integer number (3930109568).

Almost surely, 2^78346837168 is an apocalyptic number.

It is an amenable number.

78346837168 is an abundant number, since it is smaller than the sum of its proper divisors (78857545552).

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

78346837168 is a wasteful number, since it uses less digits than its factorization.

78346837168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514865 (or 514859 counting only the distinct ones).

The product of its digits is 32514048, while the sum is 61.

The spelling of 78346837168 in words is "seventy-eight billion, three hundred forty-six million, eight hundred thirty-seven thousand, one hundred sixty-eight".