97913456811 has 12 divisors (see below), whose sum is σ = 141433491160. Its totient is φ = 65274279840.

The previous prime is 97913456807. The next prime is 97913456821. The reversal of 97913456811 is 11865431979.

97913456811 is a `hidden beast` number, since 9 + 79 + 1 + 3 + 4 + 568 + 1 + 1 = 666.

It is not a de Polignac number, because 97913456811 - 2² = 97913456807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97913456801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 544791 + ... + 701871.

Almost surely, 2^97913456811 is an apocalyptic number.

97913456811 is a deficient number, since it is larger than the sum of its proper divisors (43520034349).

97913456811 is a wasteful number, since it uses less digits than its factorization.

97913456811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226346 (or 226343 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 54.

The spelling of 97913456811 in words is "ninety-seven billion, nine hundred thirteen million, four hundred fifty-six thousand, eight hundred eleven".