97145027500 has 60 divisors (see below), whose sum is σ = 213117174424. Its totient is φ = 38733552000.

The previous prime is 97145027437. The next prime is 97145027519. The reversal of 97145027500 is 572054179.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 720427 + ... + 844573.

Almost surely, 2^97145027500 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 97145027500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106558587212).

97145027500 is an abundant number, since it is smaller than the sum of its proper divisors (115972146924).

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

97145027500 is a wasteful number, since it uses less digits than its factorization.

97145027500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124484 (or 124467 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 40.

The spelling of 97145027500 in words is "ninety-seven billion, one hundred forty-five million, twenty-seven thousand, five hundred".