78520228750316 has 24 divisors (see below), whose sum is σ = 137629727839296. Its totient is φ = 39197499327360.

The previous prime is 78520228750277. The next prime is 78520228750357. The reversal of 78520228750316 is 61305782202587.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44240 + ... + 12531656.

It is an arithmetic number, because the mean of its divisors is an integer number (5734571993304).

Almost surely, 2^{78520228750316} is an apocalyptic number.

It is an amenable number.

78520228750316 is a deficient number, since it is larger than the sum of its proper divisors (59109499088980).

78520228750316 is a wasteful number, since it uses less digits than its factorization.

78520228750316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12489929 (or 12489927 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 56.

The spelling of 78520228750316 in words is "seventy-eight trillion, five hundred twenty billion, two hundred twenty-eight million, seven hundred fifty thousand, three hundred sixteen".