78218582486276 has 12 divisors (see below), whose sum is σ = 144934432254108. Its totient is φ = 36808744699392.

The previous prime is 78218582486267. The next prime is 78218582486281. The reversal of 78218582486276 is 67268428581287.

It can be written as a sum of positive squares in 2 ways, for example, as 22142897229376 + 56075685256900 = 4705624^2 + 7488370^2 .

It is a super-2 number, since 2×78218582486276² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 575136635861 + ... + 575136635996.

It is an arithmetic number, because the mean of its divisors is an integer number (12077869354509).

Almost surely, 2^{78218582486276} is an apocalyptic number.

It is an amenable number.

78218582486276 is a deficient number, since it is larger than the sum of its proper divisors (66715849767832).

78218582486276 is a wasteful number, since it uses less digits than its factorization.

78218582486276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150273271878 (or 1150273271876 counting only the distinct ones).

The product of its digits is 1156055040, while the sum is 74.

The spelling of 78218582486276 in words is "seventy-eight trillion, two hundred eighteen billion, five hundred eighty-two million, four hundred eighty-six thousand, two hundred seventy-six".