97561748479 has 8 divisors (see below), whose sum is σ = 105653464560. Its totient is φ = 89553884736.

The previous prime is 97561748461. The next prime is 97561748483. The reversal of 97561748479 is 97484716579.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97561748479 - 2¹⁵ = 97561715711 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 (97561748419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20960662 + ... + 20965315.

It is an arithmetic number, because the mean of its divisors is an integer number (13206683070).

Almost surely, 2^97561748479 is an apocalyptic number.

97561748479 is a deficient number, since it is larger than the sum of its proper divisors (8091716081).

97561748479 is a wasteful number, since it uses less digits than its factorization.

97561748479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41926169.

The product of its digits is 106686720, while the sum is 67.

The spelling of 97561748479 in words is "ninety-seven billion, five hundred sixty-one million, seven hundred forty-eight thousand, four hundred seventy-nine".