97481327654 has 4 divisors (see below), whose sum is σ = 146221991484. Its totient is φ = 48740663826.

The previous prime is 97481327621. The next prime is 97481327707. The reversal of 97481327654 is 45672318479.

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

It is a self number, because there is not a number n which added to its sum of digits gives 97481327654.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24370331912 + ... + 24370331915.

It is an arithmetic number, because the mean of its divisors is an integer number (36555497871).

Almost surely, 2^97481327654 is an apocalyptic number.

97481327654 is a deficient number, since it is larger than the sum of its proper divisors (48740663830).

97481327654 is a wasteful number, since it uses less digits than its factorization.

97481327654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48740663829.

The product of its digits is 10160640, while the sum is 56.

The spelling of 97481327654 in words is "ninety-seven billion, four hundred eighty-one million, three hundred twenty-seven thousand, six hundred fifty-four".