97863827 has 4 divisors (see below), whose sum is σ = 102118800. Its totient is φ = 93608856.

The previous prime is 97863817. The next prime is 97863841. The reversal of 97863827 is 72836879.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72836879 = 547 ⋅133157.

It is a cyclic number.

It is not a de Polignac number, because 97863827 - 2¹⁰ = 97862803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97863817) 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 3 ways as a sum of consecutive naturals, for example, 2127452 + ... + 2127497.

It is an arithmetic number, because the mean of its divisors is an integer number (25529700).

Almost surely, 2^97863827 is an apocalyptic number.

97863827 is a deficient number, since it is larger than the sum of its proper divisors (4254973).

97863827 is a wasteful number, since it uses less digits than its factorization.

97863827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4254972.

The product of its digits is 1016064, while the sum is 50.

The square root of 97863827 is about 9892.6147706256. The cubic root of 97863827 is about 460.8299870446.

The spelling of 97863827 in words is "ninety-seven million, eight hundred sixty-three thousand, eight hundred twenty-seven".