78012582 has 8 divisors (see below), whose sum is σ = 156025176. Its totient is φ = 26004192.

The previous prime is 78012559. The next prime is 78012587. The reversal of 78012582 is 28521087.

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

78012582 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78012587) 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, 6501043 + ... + 6501054.

It is an arithmetic number, because the mean of its divisors is an integer number (19503147).

Almost surely, 2^78012582 is an apocalyptic number.

78012582 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.

78012582 is a wasteful number, since it uses less digits than its factorization.

78012582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13002102.

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 78012582 is about 8832.4731530869. The cubic root of 78012582 is about 427.2888406917.

The spelling of 78012582 in words is "seventy-eight million, twelve thousand, five hundred eighty-two".