787635686113 has 8 divisors (see below), whose sum is σ = 821889606528. Its totient is φ = 753382506624.

The previous prime is 787635686083. The next prime is 787635686129. The reversal of 787635686113 is 311686536787.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-787635686113 is a prime.

It is a super-2 number, since 2×787635686113² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (787635680113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3983281 + ... + 4176337.

It is an arithmetic number, because the mean of its divisors is an integer number (102736200816).

Almost surely, 2^787635686113 is an apocalyptic number.

It is an amenable number.

787635686113 is a deficient number, since it is larger than the sum of its proper divisors (34253920415).

787635686113 is a wasteful number, since it uses less digits than its factorization.

787635686113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370463.

The product of its digits is 30481920, while the sum is 61.

The spelling of 787635686113 in words is "seven hundred eighty-seven billion, six hundred thirty-five million, six hundred eighty-six thousand, one hundred thirteen".