97487312 has 60 divisors (see below), whose sum is σ = 211307904. Its totient is φ = 43505280.

The previous prime is 97487297. The next prime is 97487371. The reversal of 97487312 is 21378479.

It is a self number, because there is not a number n which added to its sum of digits gives 97487312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83243 + ... + 84405.

Almost surely, 2^97487312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97487312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105653952).

97487312 is an abundant number, since it is smaller than the sum of its proper divisors (113820592).

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

97487312 is a wasteful number, since it uses less digits than its factorization.

97487312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228 (or 1209 counting only the distinct ones).

The product of its digits is 84672, while the sum is 41.

The square root of 97487312 is about 9873.5663263078. The cubic root of 97487312 is about 460.2382382816.

The spelling of 97487312 in words is "ninety-seven million, four hundred eighty-seven thousand, three hundred twelve".