10778977 has 4 divisors (see below), whose sum is σ = 11758896. Its totient is φ = 9799060.

The previous prime is 10778959. The next prime is 10778983. The reversal of 10778977 is 77987701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10778977 - 2⁷ = 10778849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10778077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 489943 + ... + 489964.

It is an arithmetic number, because the mean of its divisors is an integer number (2939724).

Almost surely, 2^10778977 is an apocalyptic number.

It is an amenable number.

10778977 is a deficient number, since it is larger than the sum of its proper divisors (979919).

10778977 is an equidigital number, since it uses as much as digits as its factorization.

10778977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979918.

The product of its (nonzero) digits is 172872, while the sum is 46.

The square root of 10778977 is about 3283.1352393710. The cubic root of 10778977 is about 220.8983719513.

The spelling of 10778977 in words is "ten million, seven hundred seventy-eight thousand, nine hundred seventy-seven".