9775079099 has 8 divisors (see below), whose sum is σ = 10041571440. Its totient is φ = 9508707936.

The previous prime is 9775079081. The next prime is 9775079107. The reversal of 9775079099 is 9909705779.

It is a happy number.

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 9775079099 - 2⁸ = 9775078843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9775079059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147212 + ... + 203030.

It is an arithmetic number, because the mean of its divisors is an integer number (1255196430).

Almost surely, 2^9775079099 is an apocalyptic number.

9775079099 is a deficient number, since it is larger than the sum of its proper divisors (266492341).

9775079099 is a wasteful number, since it uses less digits than its factorization.

9775079099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60589.

The product of its (nonzero) digits is 11252115, while the sum is 62.

The square root of 9775079099 is about 98868.9996864538. Note that the first 3 decimals coincide. The cubic root of 9775079099 is about 2138.1594722401.

Adding to 9775079099 its sum of digits (62), we get a square (9775079161 = 98869²).

The spelling of 9775079099 in words is "nine billion, seven hundred seventy-five million, seventy-nine thousand, ninety-nine".