97698133 has 32 divisors (see below), whose sum is σ = 119750400. Its totient is φ = 78713856.

The previous prime is 97698119. The next prime is 97698137. The reversal of 97698133 is 33189679.

97698133 = 232² + 233² + ... + 673².

It is not a de Polignac number, because 97698133 - 2²⁵ = 64143701 is a prime.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97698137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 222328 + ... + 222766.

It is an arithmetic number, because the mean of its divisors is an integer number (3742200).

Almost surely, 2^97698133 is an apocalyptic number.

97698133 is the 5707-th octagonal number.

It is an amenable number.

97698133 is a deficient number, since it is larger than the sum of its proper divisors (22052267).

97698133 is a wasteful number, since it uses less digits than its factorization.

97698133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541.

The product of its digits is 244944, while the sum is 46.

The square root of 97698133 is about 9884.2365916645. The cubic root of 97698133 is about 460.5697618582.

The spelling of 97698133 in words is "ninety-seven million, six hundred ninety-eight thousand, one hundred thirty-three".