78848276309 has 32 divisors (see below), whose sum is σ = 87443338752. Its totient is φ = 70504200000.

The previous prime is 78848276261. The next prime is 78848276333. The reversal of 78848276309 is 90367284887.

It is not a de Polignac number, because 78848276309 - 2¹⁶ = 78848210773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78848276209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100188014 + ... + 100188800.

It is an arithmetic number, because the mean of its divisors is an integer number (2732604336).

Almost surely, 2^78848276309 is an apocalyptic number.

It is an amenable number.

78848276309 is a deficient number, since it is larger than the sum of its proper divisors (8595062443).

78848276309 is a wasteful number, since it uses less digits than its factorization.

78848276309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457.

The product of its (nonzero) digits is 32514048, while the sum is 62.

The spelling of 78848276309 in words is "seventy-eight billion, eight hundred forty-eight million, two hundred seventy-six thousand, three hundred nine".