97680009811 has 12 divisors (see below), whose sum is σ = 98699263992. Its totient is φ = 96671098944.

The previous prime is 97680009773. The next prime is 97680009821. The reversal of 97680009811 is 11890008679.

It is not a de Polignac number, because 97680009811 - 2⁷ = 97680009683 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 (97680009821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11318280 + ... + 11326906.

It is an arithmetic number, because the mean of its divisors is an integer number (8224938666).

Almost surely, 2^97680009811 is an apocalyptic number.

97680009811 is a deficient number, since it is larger than the sum of its proper divisors (1019254181).

97680009811 is an equidigital number, since it uses as much as digits as its factorization.

97680009811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9798 (or 9689 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 49.

The spelling of 97680009811 in words is "ninety-seven billion, six hundred eighty million, nine thousand, eight hundred eleven".