78382876 has 72 divisors (see below), whose sum is σ = 165279744. Its totient is φ = 32235840.

The previous prime is 78382867. The next prime is 78382877. The reversal of 78382876 is 67828387.

It is a super-2 number, since 2×78382876² = 12287750500062752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78382877) 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 23 ways as a sum of consecutive naturals, for example, 617125 + ... + 617251.

It is an arithmetic number, because the mean of its divisors is an integer number (2295552).

Almost surely, 2^78382876 is an apocalyptic number.

It is an amenable number.

78382876 is an abundant number, since it is smaller than the sum of its proper divisors (86896868).

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

78382876 is a wasteful number, since it uses less digits than its factorization.

78382876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251 (or 236 counting only the distinct ones).

The product of its digits is 903168, while the sum is 49.

The square root of 78382876 is about 8853.4104163311. The cubic root of 78382876 is about 427.9638293013.

The spelling of 78382876 in words is "seventy-eight million, three hundred eighty-two thousand, eight hundred seventy-six".