787017934312 has 16 divisors (see below), whose sum is σ = 1475850860100. Its totient is φ = 393457704960.

The previous prime is 787017934301. The next prime is 787017934333. The reversal of 787017934312 is 213439710787.

It can be written as a sum of positive squares in 2 ways, for example, as 786744164196 + 273770116 = 886986^2 + 16546^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 787017934312.

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, 6342487 + ... + 6465382.

Almost surely, 2^787017934312 is an apocalyptic number.

It is an amenable number.

787017934312 is a deficient number, since it is larger than the sum of its proper divisors (688832925788).

787017934312 is a wasteful number, since it uses less digits than its factorization.

787017934312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12815556 (or 12815552 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 52.

The spelling of 787017934312 in words is "seven hundred eighty-seven billion, seventeen million, nine hundred thirty-four thousand, three hundred twelve".