967991099 has 8 divisors (see below), whose sum is σ = 1010312352. Its totient is φ = 926560960.

The previous prime is 967991071. The next prime is 967991107. The reversal of 967991099 is 990199769.

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

It is a cyclic number.

It is not a de Polignac number, because 967991099 - 2²⁴ = 951213883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (967991599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220559 + ... + 224904.

It is an arithmetic number, because the mean of its divisors is an integer number (126289044).

Almost surely, 2^967991099 is an apocalyptic number.

967991099 is a deficient number, since it is larger than the sum of its proper divisors (42321253).

967991099 is a wasteful number, since it uses less digits than its factorization.

967991099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445557.

The product of its (nonzero) digits is 2480058, while the sum is 59.

The square root of 967991099 is about 31112.5553273915. Note that the first 3 decimals coincide. The cubic root of 967991099 is about 989.2144566071.

The spelling of 967991099 in words is "nine hundred sixty-seven million, nine hundred ninety-one thousand, ninety-nine".