78112468265 has 32 divisors (see below), whose sum is σ = 101865626016. Its totient is φ = 57159198720.

The previous prime is 78112468219. The next prime is 78112468283. The reversal of 78112468265 is 56286421187.

It can be written as a sum of positive squares in 16 ways, for example, as 30170300416 + 47942167849 = 173696^2 + 218957^2 .

It is not a de Polignac number, because 78112468265 - 2¹⁴ = 78112451881 is a prime.

It is a super-2 number, since 2×78112468265² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3796205 + ... + 3816725.

It is an arithmetic number, because the mean of its divisors is an integer number (3183300813).

Almost surely, 2^78112468265 is an apocalyptic number.

It is an amenable number.

78112468265 is a deficient number, since it is larger than the sum of its proper divisors (23753157751).

78112468265 is a wasteful number, since it uses less digits than its factorization.

78112468265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21069.

The product of its digits is 1290240, while the sum is 50.

The spelling of 78112468265 in words is "seventy-eight billion, one hundred twelve million, four hundred sixty-eight thousand, two hundred sixty-five".