97789355 has 24 divisors (see below), whose sum is σ = 126518112. Its totient is φ = 72306944.

The previous prime is 97789337. The next prime is 97789357. The reversal of 97789355 is 55398779.

It is a happy number.

It is not a de Polignac number, because 97789355 - 2¹⁰ = 97788331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97789297 and 97789306.

It is not an unprimeable number, because it can be changed into a prime (97789357) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 585482 + ... + 585648.

It is an arithmetic number, because the mean of its divisors is an integer number (5271588).

Almost surely, 2^97789355 is an apocalyptic number.

97789355 is a deficient number, since it is larger than the sum of its proper divisors (28728757).

97789355 is a wasteful number, since it uses less digits than its factorization.

97789355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355 (or 272 counting only the distinct ones).

The product of its digits is 2381400, while the sum is 53.

The square root of 97789355 is about 9888.8500342558. The cubic root of 97789355 is about 460.7130638980.

The spelling of 97789355 in words is "ninety-seven million, seven hundred eighty-nine thousand, three hundred fifty-five".