97745454779 has 8 divisors (see below), whose sum is σ = 111798540000. Its totient is φ = 83714731776.

The previous prime is 97745454733. The next prime is 97745454787.

97745454779 is nontrivially palindromic in base 10.

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 97745454779 - 2³⁶ = 29025978043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97745456779) 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, 5581184 + ... + 5598669.

It is an arithmetic number, because the mean of its divisors is an integer number (13974817500).

Almost surely, 2^97745454779 is an apocalyptic number.

97745454779 is a deficient number, since it is larger than the sum of its proper divisors (14053085221).

97745454779 is a wasteful number, since it uses less digits than its factorization.

97745454779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11181109.

The product of its digits is 311169600, while the sum is 68.

The spelling of 97745454779 in words is "ninety-seven billion, seven hundred forty-five million, four hundred fifty-four thousand, seven hundred seventy-nine".