78332082 has 8 divisors (see below), whose sum is σ = 156664176. Its totient is φ = 26110692.

The previous prime is 78332063. The next prime is 78332083. The reversal of 78332082 is 28023387.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

78332082 is an admirable number.

It is a super-2 number, since 2×78332082² = 12271830140909448, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (78332083) 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, 6527668 + ... + 6527679.

It is an arithmetic number, because the mean of its divisors is an integer number (19583022).

Almost surely, 2^78332082 is an apocalyptic number.

78332082 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

78332082 is a wasteful number, since it uses less digits than its factorization.

78332082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13055352.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 78332082 is about 8850.5413393758. The cubic root of 78332082 is about 427.8713656871.

The spelling of 78332082 in words is "seventy-eight million, three hundred thirty-two thousand, eighty-two".