78602265 has 32 divisors (see below), whose sum is σ = 159701760. Its totient is φ = 35932032.

The previous prime is 78602197. The next prime is 78602269. The reversal of 78602265 is 56220687.

It is not a de Polignac number, because 78602265 - 2¹⁸ = 78340121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78602269) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40644 + ... + 42533.

It is an arithmetic number, because the mean of its divisors is an integer number (4990680).

Almost surely, 2^78602265 is an apocalyptic number.

It is an amenable number.

78602265 is an abundant number, since it is smaller than the sum of its proper divisors (81099495).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78602265 is a wasteful number, since it uses less digits than its factorization.

78602265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83198 (or 83192 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 78602265 is about 8865.7918428080. The cubic root of 78602265 is about 428.3627391111.

The spelling of 78602265 in words is "seventy-eight million, six hundred two thousand, two hundred sixty-five".