97969608061 has 4 divisors (see below), whose sum is σ = 105505731772. Its totient is φ = 90433484352.

The previous prime is 97969608043. The next prime is 97969608073. The reversal of 97969608061 is 16080696979.

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 10018808836 + 87950799225 = 100094^2 + 296565^2 .

It is a cyclic number.

It is not a de Polignac number, because 97969608061 - 2¹¹ = 97969606013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97969608041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3768061836 + ... + 3768061861.

It is an arithmetic number, because the mean of its divisors is an integer number (26376432943).

Almost surely, 2^97969608061 is an apocalyptic number.

It is an amenable number.

97969608061 is a deficient number, since it is larger than the sum of its proper divisors (7536123711).

97969608061 is a wasteful number, since it uses less digits than its factorization.

97969608061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7536123710.

The product of its (nonzero) digits is 8817984, while the sum is 61.

The spelling of 97969608061 in words is "ninety-seven billion, nine hundred sixty-nine million, six hundred eight thousand, sixty-one".