97635387667 has 4 divisors (see below), whose sum is σ = 97665423336. Its totient is φ = 97605352000.

The previous prime is 97635387659. The next prime is 97635387671. The reversal of 97635387667 is 76678353679.

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 97635387667 - 2³ = 97635387659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97635387617) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 15012958 + ... + 15019459.

It is an arithmetic number, because the mean of its divisors is an integer number (24416355834).

Almost surely, 2^97635387667 is an apocalyptic number.

97635387667 is a deficient number, since it is larger than the sum of its proper divisors (30035669).

97635387667 is a wasteful number, since it uses less digits than its factorization.

97635387667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30035668.

The product of its digits is 240045120, while the sum is 67.

The spelling of 97635387667 in words is "ninety-seven billion, six hundred thirty-five million, three hundred eighty-seven thousand, six hundred sixty-seven".