97723888 has 20 divisors (see below), whose sum is σ = 200478240. Its totient is φ = 45987584.

The previous prime is 97723861. The next prime is 97723889. The reversal of 97723888 is 88832779.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97723889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179368 + ... + 179911.

It is an arithmetic number, because the mean of its divisors is an integer number (10023912).

Almost surely, 2^97723888 is an apocalyptic number.

It is an amenable number.

97723888 is an abundant number, since it is smaller than the sum of its proper divisors (102754352).

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

97723888 is a wasteful number, since it uses less digits than its factorization.

97723888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359304 (or 359298 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 52.

The square root of 97723888 is about 9885.5393378409. The cubic root of 97723888 is about 460.6102298169.

The spelling of 97723888 in words is "ninety-seven million, seven hundred twenty-three thousand, eight hundred eighty-eight".