10787717389 has 2 divisors, whose sum is σ = 10787717390. Its totient is φ = 10787717388.

The previous prime is 10787717371. The next prime is 10787717399. The reversal of 10787717389 is 98371778701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9858504100 + 929213289 = 99290^2 + 30483^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10787717389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10787717359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5393858694 + 5393858695.

It is an arithmetic number, because the mean of its divisors is an integer number (5393858695).

Almost surely, 2^10787717389 is an apocalyptic number.

It is an amenable number.

10787717389 is a deficient number, since it is larger than the sum of its proper divisors (1).

10787717389 is an equidigital number, since it uses as much as digits as its factorization.

10787717389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4148928, while the sum is 58.

The spelling of 10787717389 in words is "ten billion, seven hundred eighty-seven million, seven hundred seventeen thousand, three hundred eighty-nine".