78383682 has 24 divisors (see below), whose sum is σ = 182895804. Its totient is φ = 24117984.

The previous prime is 78383681. The next prime is 78383687. The reversal of 78383682 is 28638387.

It can be written as a sum of positive squares in 2 ways, for example, as 76370121 + 2013561 = 8739^2 + 1419^2 .

It is a super-2 number, since 2×78383682² = 12288003207754248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78383681) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 167253 + ... + 167720.

Almost surely, 2^78383682 is an apocalyptic number.

78383682 is an abundant number, since it is smaller than the sum of its proper divisors (104512122).

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

78383682 is a wasteful number, since it uses less digits than its factorization.

78383682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334994 (or 334991 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 78383682 is about 8853.4559353961. The cubic root of 78383682 is about 427.9652961934.

The spelling of 78383682 in words is "seventy-eight million, three hundred eighty-three thousand, six hundred eighty-two".