97823678 has 8 divisors (see below), whose sum is σ = 155367072. Its totient is φ = 46034656.

The previous prime is 97823657. The next prime is 97823681. The reversal of 97823678 is 87632879.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1438550 + ... + 1438617.

It is an arithmetic number, because the mean of its divisors is an integer number (19420884).

Almost surely, 2^97823678 is an apocalyptic number.

97823678 is a deficient number, since it is larger than the sum of its proper divisors (57543394).

97823678 is a wasteful number, since it uses less digits than its factorization.

97823678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2877186.

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

The square root of 97823678 is about 9890.5853214054. The cubic root of 97823678 is about 460.7669593511.

The spelling of 97823678 in words is "ninety-seven million, eight hundred twenty-three thousand, six hundred seventy-eight".