97084957985 has 4 divisors (see below), whose sum is σ = 116501949588. Its totient is φ = 77667966384.

The previous prime is 97084957979. The next prime is 97084958039. The reversal of 97084957985 is 58975948079.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 68715282496 + 28369675489 = 262136^2 + 168433^2 .

It is a cyclic number.

It is not a de Polignac number, because 97084957985 - 2⁴ = 97084957969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9708495794 + ... + 9708495803.

It is an arithmetic number, because the mean of its divisors is an integer number (29125487397).

Almost surely, 2^97084957985 is an apocalyptic number.

It is an amenable number.

97084957985 is a deficient number, since it is larger than the sum of its proper divisors (19416991603).

97084957985 is a wasteful number, since it uses less digits than its factorization.

97084957985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19416991602.

The product of its (nonzero) digits is 228614400, while the sum is 71.

The spelling of 97084957985 in words is "ninety-seven billion, eighty-four million, nine hundred fifty-seven thousand, nine hundred eighty-five".