97804127 has 4 divisors (see below), whose sum is σ = 97919640. Its totient is φ = 97688616.

The previous prime is 97804103. The next prime is 97804139. The reversal of 97804127 is 72140879.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72140879 = 661 ⋅109139.

It is a cyclic number.

It is not a de Polignac number, because 97804127 - 2¹⁶ = 97738591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97801127) 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, 56477 + ... + 58182.

It is an arithmetic number, because the mean of its divisors is an integer number (24479910).

Almost surely, 2^97804127 is an apocalyptic number.

97804127 is a deficient number, since it is larger than the sum of its proper divisors (115513).

97804127 is a wasteful number, since it uses less digits than its factorization.

97804127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115512.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 97804127 is about 9889.5969078623. The cubic root of 97804127 is about 460.7362610743.

The spelling of 97804127 in words is "ninety-seven million, eight hundred four thousand, one hundred twenty-seven".