97925535861 has 8 divisors (see below), whose sum is σ = 131860127904. Its totient is φ = 64637317200.

The previous prime is 97925535857. The next prime is 97925535899. The reversal of 97925535861 is 16853552979.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 97925535861 - 2² = 97925535857 is a prime.

It is a super-2 number, since 2×97925535861² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 97925535795 and 97925535804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97925531861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161592991 + ... + 161593596.

It is an arithmetic number, because the mean of its divisors is an integer number (16482515988).

Almost surely, 2^97925535861 is an apocalyptic number.

It is an amenable number.

97925535861 is a deficient number, since it is larger than the sum of its proper divisors (33934592043).

97925535861 is a wasteful number, since it uses less digits than its factorization.

97925535861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323186691.

The product of its digits is 20412000, while the sum is 60.

The spelling of 97925535861 in words is "ninety-seven billion, nine hundred twenty-five million, five hundred thirty-five thousand, eight hundred sixty-one".