76726777 has 4 divisors (see below), whose sum is σ = 77651280. Its totient is φ = 75802276.

The previous prime is 76726753. The next prime is 76726787. The reversal of 76726777 is 77762767.

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, and also an emirpimes, since its reverse is a distinct semiprime: 77762767 = 59 ⋅1318013.

It is a cyclic number.

It is not a de Polignac number, because 76726777 - 2⁷ = 76726649 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 76726777.

It is not an unprimeable number, because it can be changed into a prime (76726717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462127 + ... + 462292.

It is an arithmetic number, because the mean of its divisors is an integer number (19412820).

Almost surely, 2^76726777 is an apocalyptic number.

It is an amenable number.

76726777 is a deficient number, since it is larger than the sum of its proper divisors (924503).

76726777 is an equidigital number, since it uses as much as digits as its factorization.

76726777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924502.

The product of its digits is 1210104, while the sum is 49.

The square root of 76726777 is about 8759.3822270751. The cubic root of 76726777 is about 424.9282960923.

The spelling of 76726777 in words is "seventy-six million, seven hundred twenty-six thousand, seven hundred seventy-seven".