97655018135 has 4 divisors (see below), whose sum is σ = 117186021768. Its totient is φ = 78124014504.

The previous prime is 97655018107. The next prime is 97655018171. The reversal of 97655018135 is 53181055679.

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

It is a cyclic number.

It is not a de Polignac number, because 97655018135 - 2⁸ = 97655017879 is a prime.

It is a Duffinian number.

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, 9765501809 + ... + 9765501818.

It is an arithmetic number, because the mean of its divisors is an integer number (29296505442).

Almost surely, 2^97655018135 is an apocalyptic number.

97655018135 is a deficient number, since it is larger than the sum of its proper divisors (19531003633).

97655018135 is a wasteful number, since it uses less digits than its factorization.

97655018135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19531003632.

The product of its (nonzero) digits is 1134000, while the sum is 50.

The spelling of 97655018135 in words is "ninety-seven billion, six hundred fifty-five million, eighteen thousand, one hundred thirty-five".