78802025 has 24 divisors (see below), whose sum is σ = 107344320. Its totient is φ = 57119040.

The previous prime is 78802013. The next prime is 78802027. The reversal of 78802025 is 52020887.

It is not a de Polignac number, because 78802025 - 2⁸ = 78801769 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78801982 and 78802000.

It is not an unprimeable number, because it can be changed into a prime (78802027) 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 in 23 ways as a sum of consecutive naturals, for example, 7319 + ... + 14531.

It is an arithmetic number, because the mean of its divisors is an integer number (4472680).

Almost surely, 2^78802025 is an apocalyptic number.

It is an amenable number.

78802025 is a deficient number, since it is larger than the sum of its proper divisors (28542295).

78802025 is a wasteful number, since it uses less digits than its factorization.

78802025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7265 (or 7260 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 78802025 is about 8877.0504673568. The cubic root of 78802025 is about 428.7253128609.

The spelling of 78802025 in words is "seventy-eight million, eight hundred two thousand, twenty-five".