96979999 has 4 divisors (see below), whose sum is σ = 97597864. Its totient is φ = 96362136.

The previous prime is 96979963. The next prime is 96980003. The reversal of 96979999 is 99997969.

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

It is a cyclic number.

It is not a de Polignac number, because 96979999 - 2⁷ = 96979871 is a prime.

It is a Duffinian number.

96979999 is a modest number, since divided by 9999 gives 9697 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (96979919) 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, 308697 + ... + 309010.

It is an arithmetic number, because the mean of its divisors is an integer number (24399466).

Almost surely, 2^96979999 is an apocalyptic number.

96979999 is a deficient number, since it is larger than the sum of its proper divisors (617865).

96979999 is a wasteful number, since it uses less digits than its factorization.

96979999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617864.

The product of its digits is 22320522, while the sum is 67.

The square root of 96979999 is about 9847.8423525156. The cubic root of 96979999 is about 459.4385067707.

The spelling of 96979999 in words is "ninety-six million, nine hundred seventy-nine thousand, nine hundred ninety-nine".