78600785630 has 32 divisors (see below), whose sum is σ = 141875518464. Its totient is φ = 31352813856.

The previous prime is 78600785617. The next prime is 78600785633. The reversal of 78600785630 is 3658700687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78600785633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11722859 + ... + 11729561.

It is an arithmetic number, because the mean of its divisors is an integer number (4433609952).

Almost surely, 2^78600785630 is an apocalyptic number.

78600785630 is a deficient number, since it is larger than the sum of its proper divisors (63274732834).

78600785630 is a wasteful number, since it uses less digits than its factorization.

78600785630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9800.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 78600785630 in words is "seventy-eight billion, six hundred million, seven hundred eighty-five thousand, six hundred thirty".