97641827 has 4 divisors (see below), whose sum is σ = 99017136. Its totient is φ = 96266520.

The previous prime is 97641821. The next prime is 97641833. The reversal of 97641827 is 72814679.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (97641821) and next prime (97641833).

It is a cyclic number.

It is not a de Polignac number, because 97641827 - 2¹⁴ = 97625443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97641821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 687548 + ... + 687689.

It is an arithmetic number, because the mean of its divisors is an integer number (24754284).

Almost surely, 2^97641827 is an apocalyptic number.

97641827 is a deficient number, since it is larger than the sum of its proper divisors (1375309).

97641827 is a wasteful number, since it uses less digits than its factorization.

97641827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375308.

The product of its digits is 169344, while the sum is 44.

The square root of 97641827 is about 9881.3879085886. The cubic root of 97641827 is about 460.4812653717.

The spelling of 97641827 in words is "ninety-seven million, six hundred forty-one thousand, eight hundred twenty-seven".