97500984021 has 24 divisors (see below), whose sum is σ = 164879717184. Its totient is φ = 54355947840.

The previous prime is 97500983969. The next prime is 97500984029. The reversal of 97500984021 is 12048900579.

It is not a de Polignac number, because 97500984021 - 2¹³ = 97500975829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97500984029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18871011 + ... + 18876176.

It is an arithmetic number, because the mean of its divisors is an integer number (6869988216).

Almost surely, 2^97500984021 is an apocalyptic number.

It is an amenable number.

97500984021 is a deficient number, since it is larger than the sum of its proper divisors (67378733163).

97500984021 is a wasteful number, since it uses less digits than its factorization.

97500984021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37747241 (or 37747238 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The spelling of 97500984021 in words is "ninety-seven billion, five hundred million, nine hundred eighty-four thousand, twenty-one".