97255487 has 8 divisors (see below), whose sum is σ = 117687456. Its totient is φ = 78458112.

The previous prime is 97255469. The next prime is 97255489. The reversal of 97255487 is 78455279.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 97255487 - 2¹² = 97251391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97255489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408518 + ... + 408755.

It is an arithmetic number, because the mean of its divisors is an integer number (14710932).

Almost surely, 2^97255487 is an apocalyptic number.

97255487 is a deficient number, since it is larger than the sum of its proper divisors (20431969).

97255487 is a wasteful number, since it uses less digits than its factorization.

97255487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817297.

The product of its digits is 705600, while the sum is 47.

The square root of 97255487 is about 9861.8196596774. The cubic root of 97255487 is about 459.8731329404.

The spelling of 97255487 in words is "ninety-seven million, two hundred fifty-five thousand, four hundred eighty-seven".