97159217 has 16 divisors (see below), whose sum is σ = 105477120. Its totient is φ = 89193600.

The previous prime is 97159211. The next prime is 97159243. The reversal of 97159217 is 71295179.

It is a happy number.

It is not a de Polignac number, because 97159217 - 2¹⁴ = 97142833 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97159211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148463 + ... + 149115.

It is an arithmetic number, because the mean of its divisors is an integer number (6592320).

Almost surely, 2^97159217 is an apocalyptic number.

It is an amenable number.

97159217 is a deficient number, since it is larger than the sum of its proper divisors (8317903).

97159217 is a wasteful number, since it uses less digits than its factorization.

97159217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904.

The product of its digits is 39690, while the sum is 41.

The square root of 97159217 is about 9856.9375061426. The cubic root of 97159217 is about 459.7213450955.

The spelling of 97159217 in words is "ninety-seven million, one hundred fifty-nine thousand, two hundred seventeen".