97695628969 has 3 divisors (see below), whose sum is σ = 97695941533. Its totient is φ = 97695316406.

The previous prime is 97695628957. The next prime is 97695629011. The reversal of 97695628969 is 96982659679.

The square root of 97695628969 is 312563.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 97695628969 - 2⁷ = 97695628841 is a prime.

It is a super-2 number, since 2×97695628969² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97695628895 and 97695628904.

It is not an unprimeable number, because it can be changed into a prime (97695628669) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 156282 + ... + 468844.

Almost surely, 2^97695628969 is an apocalyptic number.

97695628969 is the 312563-rd square number.

97695628969 is the 156282-nd centered octagonal number.

It is an amenable number.

97695628969 is a deficient number, since it is larger than the sum of its proper divisors (312564).

97695628969 is an frugal number, since it uses more digits than its factorization.

97695628969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625126 (or 312563 counting only the distinct ones).

The product of its digits is 793618560, while the sum is 76.

The spelling of 97695628969 in words is "ninety-seven billion, six hundred ninety-five million, six hundred twenty-eight thousand, nine hundred sixty-nine".