10662779 has 4 divisors (see below), whose sum is σ = 10708776. Its totient is φ = 10616784.

The previous prime is 10662763. The next prime is 10662797. The reversal of 10662779 is 97726601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10662779 - 2⁴ = 10662763 is a prime.

It is a super-2 number, since 2×10662779² = 227389712005682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10662079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22649 + ... + 23114.

It is an arithmetic number, because the mean of its divisors is an integer number (2677194).

Almost surely, 2^10662779 is an apocalyptic number.

10662779 is a deficient number, since it is larger than the sum of its proper divisors (45997).

10662779 is an equidigital number, since it uses as much as digits as its factorization.

10662779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45996.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 10662779 is about 3265.3910944939. The cubic root of 10662779 is about 220.1017366922.

The spelling of 10662779 in words is "ten million, six hundred sixty-two thousand, seven hundred seventy-nine".