97738736635 has 4 divisors (see below), whose sum is σ = 117286483968. Its totient is φ = 78190989304.

The previous prime is 97738736629. The next prime is 97738736651. The reversal of 97738736635 is 53663783779.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53663783779 = 11743 ⋅4569853.

It is a cyclic number.

It is not a de Polignac number, because 97738736635 - 2⁵ = 97738736603 is a prime.

It is a super-2 number, since 2×97738736635² (a number of 23 digits) contains 22 as substring.

It is a Duffinian 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, 9773873659 + ... + 9773873668.

It is an arithmetic number, because the mean of its divisors is an integer number (29321620992).

Almost surely, 2^97738736635 is an apocalyptic number.

97738736635 is a deficient number, since it is larger than the sum of its proper divisors (19547747333).

97738736635 is a wasteful number, since it uses less digits than its factorization.

97738736635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19547747332.

The product of its digits is 120022560, while the sum is 64.

The spelling of 97738736635 in words is "ninety-seven billion, seven hundred thirty-eight million, seven hundred thirty-six thousand, six hundred thirty-five".