768548149 has 4 divisors (see below), whose sum is σ = 772410400. Its totient is φ = 764685900.

The previous prime is 768548147. The next prime is 768548153. The reversal of 768548149 is 941845867.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 768548149 - 2¹ = 768548147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 768548096 and 768548105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768548147) 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, 1930827 + ... + 1931224.

It is an arithmetic number, because the mean of its divisors is an integer number (193102600).

Almost surely, 2^768548149 is an apocalyptic number.

It is an amenable number.

768548149 is a deficient number, since it is larger than the sum of its proper divisors (3862251).

768548149 is a wasteful number, since it uses less digits than its factorization.

768548149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3862250.

The product of its digits is 1935360, while the sum is 52.

The square root of 768548149 is about 27722.7009687007. The cubic root of 768548149 is about 915.9892151340.

The spelling of 768548149 in words is "seven hundred sixty-eight million, five hundred forty-eight thousand, one hundred forty-nine".