97609822652158 has 4 divisors (see below), whose sum is σ = 146414733978240. Its totient is φ = 48804911326078.

The previous prime is 97609822652149. The next prime is 97609822652159. The reversal of 97609822652158 is 85125622890679.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97609822652159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24402455663038 + ... + 24402455663041.

It is an arithmetic number, because the mean of its divisors is an integer number (36603683494560).

Almost surely, 2^{97609822652158} is an apocalyptic number.

97609822652158 is a deficient number, since it is larger than the sum of its proper divisors (48804911326082).

97609822652158 is a wasteful number, since it uses less digits than its factorization.

97609822652158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48804911326081.

The product of its (nonzero) digits is 261273600, while the sum is 70.

The spelling of 97609822652158 in words is "ninety-seven trillion, six hundred nine billion, eight hundred twenty-two million, six hundred fifty-two thousand, one hundred fifty-eight".