97807838 has 8 divisors (see below), whose sum is σ = 146761032. Its totient is φ = 48887496.

The previous prime is 97807823. The next prime is 97807861. The reversal of 97807838 is 83870879.

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, 1556 + ... + 14072.

It is an arithmetic number, because the mean of its divisors is an integer number (18345129).

Almost surely, 2^97807838 is an apocalyptic number.

97807838 is a deficient number, since it is larger than the sum of its proper divisors (48953194).

97807838 is a wasteful number, since it uses less digits than its factorization.

97807838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16426.

The product of its (nonzero) digits is 677376, while the sum is 50.

The square root of 97807838 is about 9889.7845274809. The cubic root of 97807838 is about 460.7420882675.

The spelling of 97807838 in words is "ninety-seven million, eight hundred seven thousand, eight hundred thirty-eight".