10711978 has 8 divisors (see below), whose sum is σ = 16083360. Its totient is φ = 5350860.

The previous prime is 10711973. The next prime is 10711979. The reversal of 10711978 is 87911701.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×10711978² = 229492945344968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10711973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1083 + ... + 4753.

It is an arithmetic number, because the mean of its divisors is an integer number (2010420).

Almost surely, 2^10711978 is an apocalyptic number.

10711978 is a deficient number, since it is larger than the sum of its proper divisors (5371382).

10711978 is a wasteful number, since it uses less digits than its factorization.

10711978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5132.

The product of its (nonzero) digits is 3528, while the sum is 34.

The square root of 10711978 is about 3272.9158253765. The cubic root of 10711978 is about 220.4397402876.

The spelling of 10711978 in words is "ten million, seven hundred eleven thousand, nine hundred seventy-eight".