78324038 has 16 divisors (see below), whose sum is σ = 126798000. Its totient is φ = 36071136.

The previous prime is 78324031. The next prime is 78324047. The reversal of 78324038 is 83042387.

It is a super-2 number, since 2×78324038² = 12269309857250888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78323989 and 78324007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78324031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9956 + ... + 15992.

It is an arithmetic number, because the mean of its divisors is an integer number (7924875).

Almost surely, 2^78324038 is an apocalyptic number.

78324038 is a deficient number, since it is larger than the sum of its proper divisors (48473962).

78324038 is a wasteful number, since it uses less digits than its factorization.

78324038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6551.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 78324038 is about 8850.0868922288. The cubic root of 78324038 is about 427.8567190059.

The spelling of 78324038 in words is "seventy-eight million, three hundred twenty-four thousand, thirty-eight".