97678086 has 32 divisors (see below), whose sum is σ = 219995136. Its totient is φ = 28644000.

The previous prime is 97678057. The next prime is 97678121. The reversal of 97678086 is 68087679.

It is a happy number.

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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21825 + ... + 25916.

It is an arithmetic number, because the mean of its divisors is an integer number (6874848).

Almost surely, 2^97678086 is an apocalyptic number.

97678086 is an abundant number, since it is smaller than the sum of its proper divisors (122317050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97678086 is a wasteful number, since it uses less digits than its factorization.

97678086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47788.

The product of its (nonzero) digits is 1016064, while the sum is 51.

The square root of 97678086 is about 9883.2224501931. Note that the first 3 decimals coincide. The cubic root of 97678086 is about 460.5382577639.

The spelling of 97678086 in words is "ninety-seven million, six hundred seventy-eight thousand, eighty-six".