76808049 has 16 divisors (see below), whose sum is σ = 106698240. Its totient is φ = 49092480.

The previous prime is 76808033. The next prime is 76808071. The reversal of 76808049 is 94080867.

It is a happy number.

It is not a de Polignac number, because 76808049 - 2⁴ = 76808033 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 76808049.

It is not an unprimeable number, because it can be changed into a prime (76808749) 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 15 ways as a sum of consecutive naturals, for example, 6349 + ... + 13925.

It is an arithmetic number, because the mean of its divisors is an integer number (6668640).

Almost surely, 2^76808049 is an apocalyptic number.

It is an amenable number.

76808049 is a deficient number, since it is larger than the sum of its proper divisors (29890191).

76808049 is a wasteful number, since it uses less digits than its factorization.

76808049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7720.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 76808049 is about 8764.0201391827. The cubic root of 76808049 is about 425.0782767009.

The spelling of 76808049 in words is "seventy-six million, eight hundred eight thousand, forty-nine".