78502360252 has 12 divisors (see below), whose sum is σ = 137490920280. Its totient is φ = 39219240176.

The previous prime is 78502360247. The next prime is 78502360271. The reversal of 78502360252 is 25206320587.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7979458 + ... + 7989289.

It is an arithmetic number, because the mean of its divisors is an integer number (11457576690).

Almost surely, 2^78502360252 is an apocalyptic number.

It is an amenable number.

78502360252 is a deficient number, since it is larger than the sum of its proper divisors (58988560028).

78502360252 is a wasteful number, since it uses less digits than its factorization.

78502360252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15969980 (or 15969978 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 78502360252 in words is "seventy-eight billion, five hundred two million, three hundred sixty thousand, two hundred fifty-two".