78473336 has 16 divisors (see below), whose sum is σ = 147374640. Its totient is φ = 39173440.

The previous prime is 78473327. The next prime is 78473357. The reversal of 78473336 is 63337487.

It is a junction number, because it is equal to n+sod(n) for n = 78473293 and 78473302.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2405 + ... + 12756.

It is an arithmetic number, because the mean of its divisors is an integer number (9210915).

Almost surely, 2^78473336 is an apocalyptic number.

It is an amenable number.

78473336 is a deficient number, since it is larger than the sum of its proper divisors (68901304).

78473336 is a wasteful number, since it uses less digits than its factorization.

78473336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15814 (or 15810 counting only the distinct ones).

The product of its digits is 254016, while the sum is 41.

The square root of 78473336 is about 8858.5177089624. The cubic root of 78473336 is about 428.1284006408.

The spelling of 78473336 in words is "seventy-eight million, four hundred seventy-three thousand, three hundred thirty-six".