76506726777 has 8 divisors (see below), whose sum is σ = 109855812864. Its totient is φ = 47081062608.

The previous prime is 76506726767. The next prime is 76506726787. The reversal of 76506726777 is 77762760567.

It is an interprime number because it is at equal distance from previous prime (76506726767) and next prime (76506726787).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 76506726777 - 2⁸ = 76506726521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 76506726777.

It is not an unprimeable number, because it can be changed into a prime (76506726707) 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 7 ways as a sum of consecutive naturals, for example, 980855433 + ... + 980855510.

It is an arithmetic number, because the mean of its divisors is an integer number (13731976608).

Almost surely, 2^76506726777 is an apocalyptic number.

It is an amenable number.

76506726777 is a deficient number, since it is larger than the sum of its proper divisors (33349086087).

76506726777 is a wasteful number, since it uses less digits than its factorization.

76506726777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1961710959.

The product of its (nonzero) digits is 36303120, while the sum is 60.

The spelling of 76506726777 in words is "seventy-six billion, five hundred six million, seven hundred twenty-six thousand, seven hundred seventy-seven".