78265813184 has 56 divisors (see below), whose sum is σ = 169372848960. Its totient is φ = 35665403904.

The previous prime is 78265813163. The next prime is 78265813201. The reversal of 78265813184 is 48131856287.

It is a super-2 number, since 2×78265813184² (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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 529649 + ... + 661104.

It is an arithmetic number, because the mean of its divisors is an integer number (3024515160).

Almost surely, 2^78265813184 is an apocalyptic number.

It is an amenable number.

78265813184 is an abundant number, since it is smaller than the sum of its proper divisors (91107035776).

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

78265813184 is a wasteful number, since it uses less digits than its factorization.

78265813184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190857 (or 1190847 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 53.

The spelling of 78265813184 in words is "seventy-eight billion, two hundred sixty-five million, eight hundred thirteen thousand, one hundred eighty-four".