97290808809085 has 32 divisors (see below), whose sum is σ = 117139134752640. Its totient is φ = 77573063409408.

The previous prime is 97290808808971. The next prime is 97290808809269. The reversal of 97290808809085 is 58090880809279.

It is a cyclic number.

It is not a de Polignac number, because 97290808809085 - 2¹⁷ = 97290808678013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97290808808999 and 97290808809017.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 6299986374 + ... + 6300001816.

It is an arithmetic number, because the mean of its divisors is an integer number (3660597961020).

Almost surely, 2^{97290808809085} is an apocalyptic number.

It is an amenable number.

97290808809085 is a deficient number, since it is larger than the sum of its proper divisors (19848325943555).

97290808809085 is a wasteful number, since it uses less digits than its factorization.

97290808809085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19437.

The product of its (nonzero) digits is 209018880, while the sum is 73.

The spelling of 97290808809085 in words is "ninety-seven trillion, two hundred ninety billion, eight hundred eight million, eight hundred nine thousand, eighty-five".