78025804 has 6 divisors (see below), whose sum is σ = 136545164. Its totient is φ = 39012900.

The previous prime is 78025793. The next prime is 78025807. The reversal of 78025804 is 40852087.

It is a self number, because there is not a number n which added to its sum of digits gives 78025804.

It is not an unprimeable number, because it can be changed into a prime (78025807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9753222 + ... + 9753229.

Almost surely, 2^78025804 is an apocalyptic number.

It is an amenable number.

78025804 is a deficient number, since it is larger than the sum of its proper divisors (58519360).

78025804 is a wasteful number, since it uses less digits than its factorization.

78025804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19506455 (or 19506453 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 78025804 is about 8833.2216093564. The cubic root of 78025804 is about 427.3129790796.

The spelling of 78025804 in words is "seventy-eight million, twenty-five thousand, eight hundred four".