97956250100 has 18 divisors (see below), whose sum is σ = 212565062934. Its totient is φ = 39182500000.

The previous prime is 97956250099. The next prime is 97956250121. The reversal of 97956250100 is 105265979.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 30100168036 + 67856082064 = 173494^2 + 260492^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 489781151 + ... + 489781350.

It is an arithmetic number, because the mean of its divisors is an integer number (11809170163).

Almost surely, 2^97956250100 is an apocalyptic number.

It is an amenable number.

97956250100 is an abundant number, since it is smaller than the sum of its proper divisors (114608812834).

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

97956250100 is a wasteful number, since it uses less digits than its factorization.

97956250100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979562515 (or 979562508 counting only the distinct ones).

The product of its (nonzero) digits is 170100, while the sum is 44.

The spelling of 97956250100 in words is "ninety-seven billion, nine hundred fifty-six million, two hundred fifty thousand, one hundred".