78487602 has 32 divisors (see below), whose sum is σ = 160864704. Its totient is φ = 25521600.

The previous prime is 78487561. The next prime is 78487609. The reversal of 78487602 is 20678487.

It is not an unprimeable number, because it can be changed into a prime (78487609) 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 15 ways as a sum of consecutive naturals, for example, 47128 + ... + 48764.

It is an arithmetic number, because the mean of its divisors is an integer number (5027022).

Almost surely, 2^78487602 is an apocalyptic number.

78487602 is an abundant number, since it is smaller than the sum of its proper divisors (82377102).

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

78487602 is a wasteful number, since it uses less digits than its factorization.

78487602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1834.

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 78487602 is about 8859.3228860901. The cubic root of 78487602 is about 428.1543428270.

The spelling of 78487602 in words is "seventy-eight million, four hundred eighty-seven thousand, six hundred two".