97855899 has 16 divisors (see below), whose sum is σ = 132192000. Its totient is φ = 64384736.

The previous prime is 97855897. The next prime is 97855903. The reversal of 97855899 is 99855879.

It is a cyclic number.

It is not a de Polignac number, because 97855899 - 2¹ = 97855897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97855897) 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, 79402 + ... + 80624.

It is an arithmetic number, because the mean of its divisors is an integer number (8262000).

Almost surely, 2^97855899 is an apocalyptic number.

97855899 is a deficient number, since it is larger than the sum of its proper divisors (34336101).

97855899 is a wasteful number, since it uses less digits than its factorization.

97855899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554.

The product of its digits is 8164800, while the sum is 60.

The square root of 97855899 is about 9892.2140595521. The cubic root of 97855899 is about 460.8175426822.

The spelling of 97855899 in words is "ninety-seven million, eight hundred fifty-five thousand, eight hundred ninety-nine".