97582681781051 has 4 divisors (see below), whose sum is σ = 97679394053400. Its totient is φ = 97485969508704.

The previous prime is 97582681780999. The next prime is 97582681781089. The reversal of 97582681781051 is 15018718628579.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 97582681781051 - 2²⁶ = 97582614672187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97582681721051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48356134661 + ... + 48356136678.

It is an arithmetic number, because the mean of its divisors is an integer number (24419848513350).

Almost surely, 2^{97582681781051} is an apocalyptic number.

97582681781051 is a deficient number, since it is larger than the sum of its proper divisors (96712272349).

97582681781051 is a wasteful number, since it uses less digits than its factorization.

97582681781051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96712272348.

The product of its (nonzero) digits is 67737600, while the sum is 68.

The spelling of 97582681781051 in words is "ninety-seven trillion, five hundred eighty-two billion, six hundred eighty-one million, seven hundred eighty-one thousand, fifty-one".