93478782049 has 3 divisors (see below), whose sum is σ = 93479087793. Its totient is φ = 93478476306.

The previous prime is 93478782031. The next prime is 93478782071. The reversal of 93478782049 is 94028787439.

The square root of 93478782049 is 305743.

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, and also an emirpimes, since its reverse is a distinct semiprime: 94028787439 = 1217 ⋅77262767.

It is not a de Polignac number, because 93478782049 - 2²¹ = 93476684897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93478788049) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 152872 + ... + 458614.

It is an arithmetic number, because the mean of its divisors is an integer number (31159695931).

Almost surely, 2^93478782049 is an apocalyptic number.

93478782049 is the 305743-rd square number.

93478782049 is the 152872-nd centered octagonal number.

It is an amenable number.

93478782049 is a deficient number, since it is larger than the sum of its proper divisors (305744).

93478782049 is an frugal number, since it uses more digits than its factorization.

93478782049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611486 (or 305743 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 61.

The spelling of 93478782049 in words is "ninety-three billion, four hundred seventy-eight million, seven hundred eighty-two thousand, forty-nine".