78850625 has 40 divisors (see below), whose sum is σ = 114713280. Its totient is φ = 53064000.

The previous prime is 78850579. The next prime is 78850633. The reversal of 78850625 is 52605887.

It is not a de Polignac number, because 78850625 - 2¹² = 78846529 is a prime.

It is an unprimeable number.

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 in 39 ways as a sum of consecutive naturals, for example, 292991 + ... + 293259.

It is an arithmetic number, because the mean of its divisors is an integer number (2867832).

Almost surely, 2^78850625 is an apocalyptic number.

It is an amenable number.

78850625 is a deficient number, since it is larger than the sum of its proper divisors (35862655).

78850625 is an equidigital number, since it uses as much as digits as its factorization.

78850625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363 (or 348 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 78850625 is about 8879.7874411497. The cubic root of 78850625 is about 428.8134314434.

The spelling of 78850625 in words is "seventy-eight million, eight hundred fifty thousand, six hundred twenty-five".