78058804 has 6 divisors (see below), whose sum is σ = 136602914. Its totient is φ = 39029400.

The previous prime is 78058801. The next prime is 78058843. The reversal of 78058804 is 40885087.

It can be written as a sum of positive squares in only one way, i.e., 73444900 + 4613904 = 8570^2 + 2148^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78058801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9757347 + ... + 9757354.

Almost surely, 2^78058804 is an apocalyptic number.

It is an amenable number.

78058804 is a deficient number, since it is larger than the sum of its proper divisors (58544110).

78058804 is a wasteful number, since it uses less digits than its factorization.

78058804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19514705 (or 19514703 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 40.

The square root of 78058804 is about 8835.0893600461. The cubic root of 78058804 is about 427.3732127462.

The spelling of 78058804 in words is "seventy-eight million, fifty-eight thousand, eight hundred four".