97257388 has 12 divisors (see below), whose sum is σ = 170278920. Its totient is φ = 48606272.

The previous prime is 97257383. The next prime is 97257403. The reversal of 97257388 is 88375279.

It is not an unprimeable number, because it can be changed into a prime (97257383) by changing a digit.

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, 7620 + ... + 15892.

It is an arithmetic number, because the mean of its divisors is an integer number (14189910).

Almost surely, 2^97257388 is an apocalyptic number.

It is an amenable number.

97257388 is a deficient number, since it is larger than the sum of its proper divisors (73021532).

97257388 is a wasteful number, since it uses less digits than its factorization.

97257388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11216 (or 11214 counting only the distinct ones).

The product of its digits is 846720, while the sum is 49.

The square root of 97257388 is about 9861.9160410135. The cubic root of 97257388 is about 459.8761292174.

The spelling of 97257388 in words is "ninety-seven million, two hundred fifty-seven thousand, three hundred eighty-eight".