787867883461 has 2 divisors, whose sum is σ = 787867883462. Its totient is φ = 787867883460.

The previous prime is 787867883459. The next prime is 787867883483. The reversal of 787867883461 is 164388768787.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 591716331361 + 196151552100 = 769231^2 + 442890^2 .

It is a cyclic number.

It is not a de Polignac number, because 787867883461 - 2¹ = 787867883459 is a prime.

Together with 787867883459, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (787867883261) 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 as a sum of consecutive naturals, namely, 393933941730 + 393933941731.

It is an arithmetic number, because the mean of its divisors is an integer number (393933941731).

Almost surely, 2^787867883461 is an apocalyptic number.

It is an amenable number.

787867883461 is a deficient number, since it is larger than the sum of its proper divisors (1).

787867883461 is an equidigital number, since it uses as much as digits as its factorization.

787867883461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 606928896, while the sum is 73.

The spelling of 787867883461 in words is "seven hundred eighty-seven billion, eight hundred sixty-seven million, eight hundred eighty-three thousand, four hundred sixty-one".