966768401 has 4 divisors (see below), whose sum is σ = 966855204. Its totient is φ = 966681600.

The previous prime is 966768377. The next prime is 966768409. The reversal of 966768401 is 104867669.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 115004176 + 851764225 = 10724^2 + 29185^2 .

It is a cyclic number.

It is not a de Polignac number, because 966768401 - 2¹⁰ = 966767377 is a prime.

It is a super-2 number, since 2×966768401² = 1869282282344193602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (966768409) 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, 23720 + ... + 49961.

It is an arithmetic number, because the mean of its divisors is an integer number (241713801).

Almost surely, 2^966768401 is an apocalyptic number.

It is an amenable number.

966768401 is a deficient number, since it is larger than the sum of its proper divisors (86803).

966768401 is a wasteful number, since it uses less digits than its factorization.

966768401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86802.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 966768401 is about 31092.8995270624. The cubic root of 966768401 is about 988.7977791698.

The spelling of 966768401 in words is "nine hundred sixty-six million, seven hundred sixty-eight thousand, four hundred one".