78902425 has 48 divisors (see below), whose sum is σ = 116992512. Its totient is φ = 51667200.

The previous prime is 78902401. The next prime is 78902437. The reversal of 78902425 is 52420987.

It is not a de Polignac number, because 78902425 - 2¹¹ = 78900377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 435835 + ... + 436015.

It is an arithmetic number, because the mean of its divisors is an integer number (2437344).

Almost surely, 2^78902425 is an apocalyptic number.

It is an amenable number.

78902425 is a deficient number, since it is larger than the sum of its proper divisors (38090087).

78902425 is a wasteful number, since it uses less digits than its factorization.

78902425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 78902425 is about 8882.7036987620. The cubic root of 78902425 is about 428.9073122187.

The spelling of 78902425 in words is "seventy-eight million, nine hundred two thousand, four hundred twenty-five".