967776221 has 24 divisors (see below), whose sum is σ = 1086737472. Its totient is φ = 857225600.

The previous prime is 967776211. The next prime is 967776263. The reversal of 967776221 is 122677769.

It is not a de Polignac number, because 967776221 - 2¹⁰ = 967775197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (967776211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1970786 + ... + 1971276.

It is an arithmetic number, because the mean of its divisors is an integer number (45280728).

Almost surely, 2^967776221 is an apocalyptic number.

It is an amenable number.

967776221 is a deficient number, since it is larger than the sum of its proper divisors (118961251).

967776221 is a wasteful number, since it uses less digits than its factorization.

967776221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673 (or 602 counting only the distinct ones).

The product of its digits is 444528, while the sum is 47.

The square root of 967776221 is about 31109.1018996049. The cubic root of 967776221 is about 989.1412547789.

The spelling of 967776221 in words is "nine hundred sixty-seven million, seven hundred seventy-six thousand, two hundred twenty-one".