10778387 has 2 divisors, whose sum is σ = 10778388. Its totient is φ = 10778386.

The previous prime is 10778351. The next prime is 10778389. The reversal of 10778387 is 78387701.

10778387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10778387 is a prime.

Together with 10778389, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10778389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5389193 + 5389194.

It is an arithmetic number, because the mean of its divisors is an integer number (5389194).

Almost surely, 2^10778387 is an apocalyptic number.

10778387 is a deficient number, since it is larger than the sum of its proper divisors (1).

10778387 is an equidigital number, since it uses as much as digits as its factorization.

10778387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 65856, while the sum is 41.

The square root of 10778387 is about 3283.0453850046. The cubic root of 10778387 is about 220.8943415002.

The spelling of 10778387 in words is "ten million, seven hundred seventy-eight thousand, three hundred eighty-seven".