78286340050 has 12 divisors (see below), whose sum is σ = 145612592586. Its totient is φ = 31314536000.

The previous prime is 78286340029. The next prime is 78286340051. The reversal of 78286340050 is 5004368287.

It can be written as a sum of positive squares in 3 ways, for example, as 62610548841 + 15675791209 = 250221^2 + 125203^2 .

It is a super-2 number, since 2×78286340050² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78286339979 and 78286340006.

It is not an unprimeable number, because it can be changed into a prime (78286340051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 782863351 + ... + 782863450.

Almost surely, 2^78286340050 is an apocalyptic number.

78286340050 is a deficient number, since it is larger than the sum of its proper divisors (67326252536).

78286340050 is a wasteful number, since it uses less digits than its factorization.

78286340050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565726813 (or 1565726808 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 78286340050 in words is "seventy-eight billion, two hundred eighty-six million, three hundred forty thousand, fifty".