78675367344 has 80 divisors (see below), whose sum is σ = 232345962240. Its totient is φ = 22472259840.

The previous prime is 78675367339. The next prime is 78675367361. The reversal of 78675367344 is 44376357687.

It is a super-2 number, since 2×78675367344² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1214659 + ... + 1277789.

It is an arithmetic number, because the mean of its divisors is an integer number (2904324528).

Almost surely, 2^78675367344 is an apocalyptic number.

It is an amenable number.

78675367344 is an abundant number, since it is smaller than the sum of its proper divisors (153670594896).

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

78675367344 is a wasteful number, since it uses less digits than its factorization.

78675367344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66858 (or 66852 counting only the distinct ones).

The product of its digits is 71124480, while the sum is 60.

The spelling of 78675367344 in words is "seventy-eight billion, six hundred seventy-five million, three hundred sixty-seven thousand, three hundred forty-four".