78334344 has 64 divisors (see below), whose sum is σ = 237384000. Its totient is φ = 23736960.

The previous prime is 78334337. The next prime is 78334357. The reversal of 78334344 is 44343387.

It is a happy number.

It is a super-2 number, since 2×78334344² = 12272538899820672, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 78334299 and 78334308.

It is an unprimeable number.

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, 14109 + ... + 18860.

It is an arithmetic number, because the mean of its divisors is an integer number (3709125).

Almost surely, 2^78334344 is an apocalyptic number.

It is an amenable number.

78334344 is an abundant number, since it is smaller than the sum of its proper divisors (159049656).

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

78334344 is a wasteful number, since it uses less digits than its factorization.

78334344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32995 (or 32985 counting only the distinct ones).

The product of its digits is 96768, while the sum is 36.

The square root of 78334344 is about 8850.6691272468. The cubic root of 78334344 is about 427.8754842027.

It can be divided in two parts, 783343 and 44, that added together give a palindrome (783387).

The spelling of 78334344 in words is "seventy-eight million, three hundred thirty-four thousand, three hundred forty-four".