78797347605 has 48 divisors (see below), whose sum is σ = 144647717760. Its totient is φ = 39598061184.

The previous prime is 78797347583. The next prime is 78797347639. The reversal of 78797347605 is 50674379787.

78797347605 is a `hidden beast` number, since 78 + 7 + 97 + 3 + 476 + 0 + 5 = 666.

It is not a de Polignac number, because 78797347605 - 2²¹ = 78795250453 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 498810 + ... + 637499.

It is an arithmetic number, because the mean of its divisors is an integer number (3013494120).

Almost surely, 2^78797347605 is an apocalyptic number.

It is an amenable number.

78797347605 is a deficient number, since it is larger than the sum of its proper divisors (65850370155).

78797347605 is a wasteful number, since it uses less digits than its factorization.

78797347605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136410 (or 1136407 counting only the distinct ones).

The product of its (nonzero) digits is 62233920, while the sum is 63.

The spelling of 78797347605 in words is "seventy-eight billion, seven hundred ninety-seven million, three hundred forty-seven thousand, six hundred five".