78199341 has 32 divisors (see below), whose sum is σ = 120597120. Its totient is φ = 44620800.

The previous prime is 78199321. The next prime is 78199349. The reversal of 78199341 is 14399187.

78199341 = 1361² + 1362² + ... + 1401².

It is a happy number.

It is not a de Polignac number, because 78199341 - 2⁵ = 78199309 is a prime.

It is a super-2 number, since 2×78199341² = 12230273865668562, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78199293 and 78199302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78199349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38241 + ... + 40233.

It is an arithmetic number, because the mean of its divisors is an integer number (3768660).

Almost surely, 2^78199341 is an apocalyptic number.

It is an amenable number.

78199341 is a deficient number, since it is larger than the sum of its proper divisors (42397779).

78199341 is a wasteful number, since it uses less digits than its factorization.

78199341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2077.

The product of its digits is 54432, while the sum is 42.

The square root of 78199341 is about 8843.0391269065. The cubic root of 78199341 is about 427.6295397591.

The spelling of 78199341 in words is "seventy-eight million, one hundred ninety-nine thousand, three hundred forty-one".