97578026 has 32 divisors (see below), whose sum is σ = 180690048. Its totient is φ = 38485440.

The previous prime is 97577981. The next prime is 97578031. The reversal of 97578026 is 62087579.

It is a Curzon 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, 83321 + ... + 84483.

It is an arithmetic number, because the mean of its divisors is an integer number (5646564).

Almost surely, 2^97578026 is an apocalyptic number.

97578026 is a deficient number, since it is larger than the sum of its proper divisors (83112022).

97578026 is a wasteful number, since it uses less digits than its factorization.

97578026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646.

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 97578026 is about 9878.1590390113. The cubic root of 97578026 is about 460.3809478220.

The spelling of 97578026 in words is "ninety-seven million, five hundred seventy-eight thousand, twenty-six".