78712050698 has 8 divisors (see below), whose sum is σ = 118105915620. Its totient is φ = 39343412160.

The previous prime is 78712050629. The next prime is 78712050713. The reversal of 78712050698 is 89605021787.

It can be written as a sum of positive squares in 2 ways, for example, as 78701008369 + 11042329 = 280537^2 + 3323^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

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, 6298793 + ... + 6311276.

Almost surely, 2^78712050698 is an apocalyptic number.

78712050698 is a deficient number, since it is larger than the sum of its proper divisors (39393864922).

78712050698 is a wasteful number, since it uses less digits than its factorization.

78712050698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12613192.

The product of its (nonzero) digits is 1693440, while the sum is 53.

The spelling of 78712050698 in words is "seventy-eight billion, seven hundred twelve million, fifty thousand, six hundred ninety-eight".