12787081935 has 16 divisors (see below), whose sum is σ = 20461714560. Its totient is φ = 6818982560.

The previous prime is 12787081891. The next prime is 12787081949. The reversal of 12787081935 is 53918078721.

It is not a de Polignac number, because 12787081935 - 2⁹ = 12787081423 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97456 + ... + 187274.

It is an arithmetic number, because the mean of its divisors is an integer number (1278857160).

Almost surely, 2^12787081935 is an apocalyptic number.

12787081935 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12787081935 is a deficient number, since it is larger than the sum of its proper divisors (7674632625).

12787081935 is an equidigital number, since it uses as much as digits as its factorization.

12787081935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99318.

The product of its (nonzero) digits is 846720, while the sum is 51.

The spelling of 12787081935 in words is "twelve billion, seven hundred eighty-seven million, eighty-one thousand, nine hundred thirty-five".