78610285 has 16 divisors (see below), whose sum is σ = 101888640. Its totient is φ = 57879360.

The previous prime is 78610283. The next prime is 78610303. The reversal of 78610285 is 58201687.

It is not a de Polignac number, because 78610285 - 2¹ = 78610283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78610283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23040 + ... + 26230.

It is an arithmetic number, because the mean of its divisors is an integer number (6368040).

Almost surely, 2^78610285 is an apocalyptic number.

It is an amenable number.

78610285 is a deficient number, since it is larger than the sum of its proper divisors (23278355).

78610285 is a wasteful number, since it uses less digits than its factorization.

78610285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3588.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 78610285 is about 8866.2441315362. The cubic root of 78610285 is about 428.3773076155.

The spelling of 78610285 in words is "seventy-eight million, six hundred ten thousand, two hundred eighty-five".