787641046605 has 128 divisors (see below), whose sum is σ = 1631855554560. Its totient is φ = 353000229120.

The previous prime is 787641046601. The next prime is 787641046657. The reversal of 787641046605 is 506640146787.

787641046605 is a `hidden beast` number, since 78 + 76 + 41 + 0 + 466 + 0 + 5 = 666.

It is not a de Polignac number, because 787641046605 - 2² = 787641046601 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (787641046601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 17674762 + ... + 17719268.

It is an arithmetic number, because the mean of its divisors is an integer number (12748871520).

Almost surely, 2^787641046605 is an apocalyptic number.

It is an amenable number.

787641046605 is an abundant number, since it is smaller than the sum of its proper divisors (844214507955).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

787641046605 is a wasteful number, since it uses less digits than its factorization.

787641046605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44896 (or 44890 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 787641046605 in words is "seven hundred eighty-seven billion, six hundred forty-one million, forty-six thousand, six hundred five".