97132712500 has 36 divisors (see below), whose sum is σ = 212464237356. Its totient is φ = 38853080000.

The previous prime is 97132712477. The next prime is 97132712531. The reversal of 97132712500 is 521723179.

It can be written as a sum of positive squares in 6 ways, for example, as 61904425636 + 35228286864 = 248806^2 + 187692^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 97132712500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3872809 + ... + 3897808.

It is an arithmetic number, because the mean of its divisors is an integer number (5901784371).

Almost surely, 2^97132712500 is an apocalyptic number.

It is an amenable number.

97132712500 is an abundant number, since it is smaller than the sum of its proper divisors (115331524856).

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

97132712500 is an equidigital number, since it uses as much as digits as its factorization.

97132712500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7770646 (or 7770624 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 37.

The spelling of 97132712500 in words is "ninety-seven billion, one hundred thirty-two million, seven hundred twelve thousand, five hundred".