78887336 has 16 divisors (see below), whose sum is σ = 161360640. Its totient is φ = 35857840.

The previous prime is 78887317. The next prime is 78887339. The reversal of 78887336 is 63378887.

It is not an unprimeable number, because it can be changed into a prime (78887339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 448136 + ... + 448311.

It is an arithmetic number, because the mean of its divisors is an integer number (10085040).

Almost surely, 2^78887336 is an apocalyptic number.

It is an amenable number.

78887336 is an abundant number, since it is smaller than the sum of its proper divisors (82473304).

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

78887336 is a wasteful number, since it uses less digits than its factorization.

78887336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896464 (or 896460 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 50.

The square root of 78887336 is about 8881.8543108970. The cubic root of 78887336 is about 428.8799696074.

The spelling of 78887336 in words is "seventy-eight million, eight hundred eighty-seven thousand, three hundred thirty-six".