97956780245 has 4 divisors (see below), whose sum is σ = 117548136300. Its totient is φ = 78365424192.

The previous prime is 97956780227. The next prime is 97956780253. The reversal of 97956780245 is 54208765979.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36289488004 + 61667292241 = 190498^2 + 248329^2 .

It is a cyclic number.

It is not a de Polignac number, because 97956780245 - 2¹² = 97956776149 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9795678020 + ... + 9795678029.

It is an arithmetic number, because the mean of its divisors is an integer number (29387034075).

Almost surely, 2^97956780245 is an apocalyptic number.

It is an amenable number.

97956780245 is a deficient number, since it is larger than the sum of its proper divisors (19591356055).

97956780245 is a wasteful number, since it uses less digits than its factorization.

97956780245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19591356054.

The product of its (nonzero) digits is 38102400, while the sum is 62.

The spelling of 97956780245 in words is "ninety-seven billion, nine hundred fifty-six million, seven hundred eighty thousand, two hundred forty-five".