10778993 has 2 divisors, whose sum is σ = 10778994. Its totient is φ = 10778992.

The previous prime is 10778983. The next prime is 10779011. The reversal of 10778993 is 39987701.

10778993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10061584 + 717409 = 3172^2 + 847^2 .

It is a cyclic number.

It is not a de Polignac number, because 10778993 - 2¹⁰ = 10777969 is a prime.

It is a Chen prime.

It is a plaindrome in base 9.

It is not a weakly prime, because it can be changed into another prime (10778953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5389496 + 5389497.

It is an arithmetic number, because the mean of its divisors is an integer number (5389497).

Almost surely, 2^10778993 is an apocalyptic number.

It is an amenable number.

10778993 is a deficient number, since it is larger than the sum of its proper divisors (1).

10778993 is an equidigital number, since it uses as much as digits as its factorization.

10778993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 44.

The square root of 10778993 is about 3283.1376760654. The cubic root of 10778993 is about 220.8984812496.

The spelling of 10778993 in words is "ten million, seven hundred seventy-eight thousand, nine hundred ninety-three".