97799155969 has 8 divisors (see below), whose sum is σ = 98928012960. Its totient is φ = 96670965600.

The previous prime is 97799155933. The next prime is 97799155997. The reversal of 97799155969 is 96955199779.

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 97799155969 - 2⁹ = 97799155457 is a prime.

It is a super-2 number, since 2×97799155969² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97799155895 and 97799155904.

It is not an unprimeable number, because it can be changed into a prime (97799165969) 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, 131514 + ... + 461404.

It is an arithmetic number, because the mean of its divisors is an integer number (12366001620).

Almost surely, 2^97799155969 is an apocalyptic number.

It is an amenable number.

97799155969 is a deficient number, since it is larger than the sum of its proper divisors (1128856991).

97799155969 is a wasteful number, since it uses less digits than its factorization.

97799155969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333311.

The product of its digits is 434010150, while the sum is 76.

The spelling of 97799155969 in words is "ninety-seven billion, seven hundred ninety-nine million, one hundred fifty-five thousand, nine hundred sixty-nine".