97522878 has 8 divisors (see below), whose sum is σ = 195045768. Its totient is φ = 32507624.

The previous prime is 97522847. The next prime is 97522889. The reversal of 97522878 is 87822579.

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

97522878 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 8126901 + ... + 8126912.

It is an arithmetic number, because the mean of its divisors is an integer number (24380721).

Almost surely, 2^97522878 is an apocalyptic number.

97522878 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

97522878 is a wasteful number, since it uses less digits than its factorization.

97522878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16253818.

The product of its digits is 564480, while the sum is 48.

The square root of 97522878 is about 9875.3672336779. The cubic root of 97522878 is about 460.2942005829.

The spelling of 97522878 in words is "ninety-seven million, five hundred twenty-two thousand, eight hundred seventy-eight".