78503087308 has 12 divisors (see below), whose sum is σ = 137382534072. Its totient is φ = 39250934720.

The previous prime is 78503087249. The next prime is 78503087317. The reversal of 78503087308 is 80378030587.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264723 + ... + 476533.

It is an arithmetic number, because the mean of its divisors is an integer number (11448544506).

Almost surely, 2^78503087308 is an apocalyptic number.

It is an amenable number.

78503087308 is a deficient number, since it is larger than the sum of its proper divisors (58879446764).

78503087308 is a wasteful number, since it uses less digits than its factorization.

78503087308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304472 (or 304470 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 49.

The spelling of 78503087308 in words is "seventy-eight billion, five hundred three million, eighty-seven thousand, three hundred eight".