78583804 has 12 divisors (see below), whose sum is σ = 148100344. Its totient is φ = 36269424.

The previous prime is 78583793. The next prime is 78583807. The reversal of 78583804 is 40838587.

It is a happy number.

It is a super-2 number, since 2×78583804² = 12350828502220832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78583807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 755562 + ... + 755665.

Almost surely, 2^78583804 is an apocalyptic number.

It is an amenable number.

78583804 is a deficient number, since it is larger than the sum of its proper divisors (69516540).

78583804 is a wasteful number, since it uses less digits than its factorization.

78583804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511244 (or 1511242 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 78583804 is about 8864.7506451112. The cubic root of 78583804 is about 428.3292005368.

The spelling of 78583804 in words is "seventy-eight million, five hundred eighty-three thousand, eight hundred four".