78410799 has 6 divisors (see below), whose sum is σ = 113260056. Its totient is φ = 52273860.

The previous prime is 78410779. The next prime is 78410821. The reversal of 78410799 is 99701487.

It is not a de Polignac number, because 78410799 - 2¹⁵ = 78378031 is a prime.

It is a super-2 number, since 2×78410799² = 12296506799636802, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78410719) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4356147 + ... + 4356164.

It is an arithmetic number, because the mean of its divisors is an integer number (18876676).

Almost surely, 2^78410799 is an apocalyptic number.

78410799 is a deficient number, since it is larger than the sum of its proper divisors (34849257).

78410799 is a wasteful number, since it uses less digits than its factorization.

78410799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8712317 (or 8712314 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The square root of 78410799 is about 8854.9872388389. The cubic root of 78410799 is about 428.0146423354.

The spelling of 78410799 in words is "seventy-eight million, four hundred ten thousand, seven hundred ninety-nine".