960999999 has 16 divisors (see below), whose sum is σ = 1326885600. Its totient is φ = 617936256.

The previous prime is 960999973. The next prime is 961000009. The reversal of 960999999 is 999999069.

It is a Cunningham number, because it is equal to 31000²-1.

It is not a de Polignac number, because 960999999 - 2⁵ = 960999967 is a prime.

960999999 is a modest number, since divided by 99999 gives 9609 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (960999199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87837 + ... + 98169.

It is an arithmetic number, because the mean of its divisors is an integer number (82930350).

Almost surely, 2^960999999 is an apocalyptic number.

960999999 is a deficient number, since it is larger than the sum of its proper divisors (365885601).

960999999 is a wasteful number, since it uses less digits than its factorization.

960999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11434.

The product of its (nonzero) digits is 28697814, while the sum is 69.

The square root of 960999999 is about 30999.9999838710. Note that the first 4 decimals coincide. The cubic root of 960999999 is about 986.8272399796.

The spelling of 960999999 in words is "nine hundred sixty million, nine hundred ninety-nine thousand, nine hundred ninety-nine".