97941492479 has 4 divisors (see below), whose sum is σ = 97942136040. Its totient is φ = 97940848920.

The previous prime is 97941492463. The next prime is 97941492487. The reversal of 97941492479 is 97429414979.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 97429414979 = 13 ⋅7494570383.

It is a cyclic number.

It is not a de Polignac number, because 97941492479 - 2⁴ = 97941492463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97941492409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48632 + ... + 445250.

It is an arithmetic number, because the mean of its divisors is an integer number (24485534010).

Almost surely, 2^97941492479 is an apocalyptic number.

97941492479 is a deficient number, since it is larger than the sum of its proper divisors (643561).

97941492479 is a wasteful number, since it uses less digits than its factorization.

97941492479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643560.

The product of its digits is 41150592, while the sum is 65.

The spelling of 97941492479 in words is "ninety-seven billion, nine hundred forty-one million, four hundred ninety-two thousand, four hundred seventy-nine".