966471977 has 4 divisors (see below), whose sum is σ = 967569876. Its totient is φ = 965374080.

The previous prime is 966471973. The next prime is 966471991. The reversal of 966471977 is 779174669.

966471977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 257634601 + 708837376 = 16051^2 + 26624^2 .

It is a cyclic number.

It is not a de Polignac number, because 966471977 - 2² = 966471973 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (966471973) 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, 547628 + ... + 549389.

It is an arithmetic number, because the mean of its divisors is an integer number (241892469).

Almost surely, 2^966471977 is an apocalyptic number.

It is an amenable number.

966471977 is a deficient number, since it is larger than the sum of its proper divisors (1097899).

966471977 is a wasteful number, since it uses less digits than its factorization.

966471977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097898.

The product of its digits is 4000752, while the sum is 56.

The square root of 966471977 is about 31088.1324141544. The cubic root of 966471977 is about 988.6967093396.

The spelling of 966471977 in words is "nine hundred sixty-six million, four hundred seventy-one thousand, nine hundred seventy-seven".