97320620953 has 4 divisors (see below), whose sum is σ = 103045363380. Its totient is φ = 91595878528.

The previous prime is 97320620951. The next prime is 97320620959. The reversal of 97320620953 is 35902602379.

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 39755175769 + 57565445184 = 199387^2 + 239928^2 .

It is a cyclic number.

It is not a de Polignac number, because 97320620953 - 2¹ = 97320620951 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97320620951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2862371188 + ... + 2862371221.

It is an arithmetic number, because the mean of its divisors is an integer number (25761340845).

Almost surely, 2^97320620953 is an apocalyptic number.

It is an amenable number.

97320620953 is a deficient number, since it is larger than the sum of its proper divisors (5724742427).

97320620953 is a wasteful number, since it uses less digits than its factorization.

97320620953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5724742426.

The product of its (nonzero) digits is 612360, while the sum is 46.

The spelling of 97320620953 in words is "ninety-seven billion, three hundred twenty million, six hundred twenty thousand, nine hundred fifty-three".