97410779449 has 3 divisors (see below), whose sum is σ = 97411091557. Its totient is φ = 97410467342.

The previous prime is 97410779441. The next prime is 97410779461. The reversal of 97410779449 is 94497701479.

The square root of 97410779449 is 312107.

It is a perfect power (a square), and thus also a powerful number.

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.

It is not a de Polignac number, because 97410779449 - 2³ = 97410779441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97410779441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 156054 + ... + 468160.

Almost surely, 2^97410779449 is an apocalyptic number.

97410779449 is the 312107-th square number.

97410779449 is the 156054-th centered octagonal number.

It is an amenable number.

97410779449 is a deficient number, since it is larger than the sum of its proper divisors (312108).

97410779449 is an frugal number, since it uses more digits than its factorization.

97410779449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624214 (or 312107 counting only the distinct ones).

The product of its (nonzero) digits is 16003008, while the sum is 61.

The spelling of 97410779449 in words is "ninety-seven billion, four hundred ten million, seven hundred seventy-nine thousand, four hundred forty-nine".