97806683762 has 54 divisors (see below), whose sum is σ = 157751806797. Its totient is φ = 45473666112.

The previous prime is 97806683759. The next prime is 97806683783. The reversal of 97806683762 is 26738660879.

It can be written as a sum of positive squares in 2 ways, for example, as 61771634521 + 36035049241 = 248539^2 + 189829^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=221141.

It is a super-2 number, since 2×97806683762² (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 = 97806683695 and 97806683704.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 865545818 + ... + 865545930.

Almost surely, 2^97806683762 is an apocalyptic number.

97806683762 is a deficient number, since it is larger than the sum of its proper divisors (59945123035).

97806683762 is a wasteful number, since it uses less digits than its factorization.

97806683762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 62.

The spelling of 97806683762 in words is "ninety-seven billion, eight hundred six million, six hundred eighty-three thousand, seven hundred sixty-two".