787268804621 has 16 divisors (see below), whose sum is σ = 880546490880. Its totient is φ = 698952836160.

The previous prime is 787268804573. The next prime is 787268804677. The reversal of 787268804621 is 126408862787.

It is a cyclic number.

It is not a de Polignac number, because 787268804621 - 2¹⁴ = 787268788237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (787268804521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5926706 + ... + 6058083.

It is an arithmetic number, because the mean of its divisors is an integer number (55034155680).

Almost surely, 2^787268804621 is an apocalyptic number.

It is an amenable number.

787268804621 is a deficient number, since it is larger than the sum of its proper divisors (93277686259).

787268804621 is a wasteful number, since it uses less digits than its factorization.

787268804621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11984996.

The product of its (nonzero) digits is 14450688, while the sum is 59.

The spelling of 787268804621 in words is "seven hundred eighty-seven billion, two hundred sixty-eight million, eight hundred four thousand, six hundred twenty-one".