78313935334 has 4 divisors (see below), whose sum is σ = 117470903004. Its totient is φ = 39156967666.

The previous prime is 78313935317. The next prime is 78313935379. The reversal of 78313935334 is 43353931387.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43353931387 = 13 ⋅3334917799.

It is a super-2 number, since 2×78313935334² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 19578483832 + ... + 19578483835.

It is an arithmetic number, because the mean of its divisors is an integer number (29367725751).

Almost surely, 2^78313935334 is an apocalyptic number.

78313935334 is a deficient number, since it is larger than the sum of its proper divisors (39156967670).

78313935334 is a wasteful number, since it uses less digits than its factorization.

78313935334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39156967669.

The product of its digits is 2449440, while the sum is 49.

The spelling of 78313935334 in words is "seventy-eight billion, three hundred thirteen million, nine hundred thirty-five thousand, three hundred thirty-four".