78313119 has 8 divisors (see below), whose sum is σ = 106187520. Its totient is φ = 51323736.

The previous prime is 78313093. The next prime is 78313129. The reversal of 78313119 is 91131387.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 78313119 - 2⁷ = 78312991 is a prime.

It is a super-2 number, since 2×78313119² = 12265889215016322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 78313119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78313129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221047 + ... + 221400.

It is an arithmetic number, because the mean of its divisors is an integer number (13273440).

Almost surely, 2^78313119 is an apocalyptic number.

78313119 is a deficient number, since it is larger than the sum of its proper divisors (27874401).

78313119 is a wasteful number, since it uses less digits than its factorization.

78313119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442509.

The product of its digits is 4536, while the sum is 33.

The square root of 78313119 is about 8849.4699841290. The cubic root of 78313119 is about 427.8368358609.

The spelling of 78313119 in words is "seventy-eight million, three hundred thirteen thousand, one hundred nineteen".