10778821307 has 2 divisors, whose sum is σ = 10778821308. Its totient is φ = 10778821306.

The previous prime is 10778821301. The next prime is 10778821327. The reversal of 10778821307 is 70312887701.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10778821307 - 2¹⁴ = 10778804923 is a prime.

It is not a weakly prime, because it can be changed into another prime (10778821301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5389410653 + 5389410654.

It is an arithmetic number, because the mean of its divisors is an integer number (5389410654).

Almost surely, 2^10778821307 is an apocalyptic number.

10778821307 is a deficient number, since it is larger than the sum of its proper divisors (1).

10778821307 is an equidigital number, since it uses as much as digits as its factorization.

10778821307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 131712, while the sum is 44.

The spelling of 10778821307 in words is "ten billion, seven hundred seventy-eight million, eight hundred twenty-one thousand, three hundred seven".