97677286434585 has 128 divisors (see below), whose sum is σ = 204224401221120. Its totient is φ = 43669045555200.

The previous prime is 97677286434557. The next prime is 97677286434649. The reversal of 97677286434585 is 58543468277679.

97677286434585 is a `hidden beast` number, since 9 + 7 + 6 + 7 + 7 + 28 + 6 + 4 + 3 + 4 + 585 = 666.

It is not a de Polignac number, because 97677286434585 - 2⁹ = 97677286434073 is a prime.

It is a super-2 number, since 2×97677286434585² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 15388845 + ... + 20788725.

It is an arithmetic number, because the mean of its divisors is an integer number (1595503134540).

Almost surely, 2^{97677286434585} is an apocalyptic number.

It is an amenable number.

97677286434585 is an abundant number, since it is smaller than the sum of its proper divisors (106547114786535).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97677286434585 is a wasteful number, since it uses less digits than its factorization.

97677286434585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5400856 (or 5400850 counting only the distinct ones).

The product of its digits is 17069875200, while the sum is 81.

The spelling of 97677286434585 in words is "ninety-seven trillion, six hundred seventy-seven billion, two hundred eighty-six million, four hundred thirty-four thousand, five hundred eighty-five".