78204596 has 6 divisors (see below), whose sum is σ = 136858050. Its totient is φ = 39102296.

The previous prime is 78204593. The next prime is 78204617. The reversal of 78204596 is 69540287.

It can be written as a sum of positive squares in only one way, i.e., 67732900 + 10471696 = 8230^2 + 3236^2 .

It is a super-2 number, since 2×78204596² = 12231917671046432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78204593) by changing a digit.

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 as a sum of consecutive naturals, namely, 9775571 + ... + 9775578.

It is an arithmetic number, because the mean of its divisors is an integer number (22809675).

Almost surely, 2^78204596 is an apocalyptic number.

It is an amenable number.

78204596 is a deficient number, since it is larger than the sum of its proper divisors (58653454).

78204596 is a wasteful number, since it uses less digits than its factorization.

78204596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19551153 (or 19551151 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 78204596 is about 8843.3362482719. The cubic root of 78204596 is about 427.6391184540.

The spelling of 78204596 in words is "seventy-eight million, two hundred four thousand, five hundred ninety-six".