78383084 has 24 divisors (see below), whose sum is σ = 148023120. Its totient is φ = 36103104.

The previous prime is 78383059. The next prime is 78383147. The reversal of 78383084 is 48038387.

It is a super-2 number, since 2×78383084² = 12287815714702112, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30647 + ... + 33105.

It is an arithmetic number, because the mean of its divisors is an integer number (6167630).

Almost surely, 2^78383084 is an apocalyptic number.

It is an amenable number.

78383084 is a deficient number, since it is larger than the sum of its proper divisors (69640036).

78383084 is a wasteful number, since it uses less digits than its factorization.

78383084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3089 (or 3087 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 78383084 is about 8853.4221632090. The cubic root of 78383084 is about 427.9642078550.

The spelling of 78383084 in words is "seventy-eight million, three hundred eighty-three thousand, eighty-four".