97827261 has 16 divisors (see below), whose sum is σ = 149848704. Its totient is φ = 55609344.

The previous prime is 97827229. The next prime is 97827277. The reversal of 97827261 is 16272879.

It is not a de Polignac number, because 97827261 - 2⁵ = 97827229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97827761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8016 + ... + 16121.

It is an arithmetic number, because the mean of its divisors is an integer number (9365544).

Almost surely, 2^97827261 is an apocalyptic number.

It is an amenable number.

97827261 is a deficient number, since it is larger than the sum of its proper divisors (52021443).

97827261 is a wasteful number, since it uses less digits than its factorization.

97827261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24340.

The product of its digits is 84672, while the sum is 42.

The square root of 97827261 is about 9890.7664515951. The cubic root of 97827261 is about 460.7725848053.

The spelling of 97827261 in words is "ninety-seven million, eight hundred twenty-seven thousand, two hundred sixty-one".