78662328 has 16 divisors (see below), whose sum is σ = 196655880. Its totient is φ = 26220768.

The previous prime is 78662327. The next prime is 78662329. The reversal of 78662328 is 82326687.

It is an interprime number because it is at equal distance from previous prime (78662327) and next prime (78662329).

It is a self number, because there is not a number n which added to its sum of digits gives 78662328.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78662327) 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 3 ways as a sum of consecutive naturals, for example, 1638775 + ... + 1638822.

Almost surely, 2^78662328 is an apocalyptic number.

It is an amenable number.

78662328 is an abundant number, since it is smaller than the sum of its proper divisors (117993552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78662328 is a wasteful number, since it uses less digits than its factorization.

78662328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3277606 (or 3277602 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 78662328 is about 8869.1785414434. The cubic root of 78662328 is about 428.4718207876.

The spelling of 78662328 in words is "seventy-eight million, six hundred sixty-two thousand, three hundred twenty-eight".