78326102 has 4 divisors (see below), whose sum is σ = 117489156. Its totient is φ = 39163050.

The previous prime is 78326029. The next prime is 78326159. The reversal of 78326102 is 20162387.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20162387 = 7 ⋅2880341.

It is a super-2 number, since 2×78326102² = 12269956509028808, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 19581524 + ... + 19581527.

It is an arithmetic number, because the mean of its divisors is an integer number (29372289).

Almost surely, 2^78326102 is an apocalyptic number.

78326102 is a deficient number, since it is larger than the sum of its proper divisors (39163054).

78326102 is a wasteful number, since it uses less digits than its factorization.

78326102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39163053.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 78326102 is about 8850.2035004852. The cubic root of 78326102 is about 427.8604772753.

Adding to 78326102 its reverse (20162387), we get a palindrome (98488489).

The spelling of 78326102 in words is "seventy-eight million, three hundred twenty-six thousand, one hundred two".