76705723771 has 8 divisors (see below), whose sum is σ = 78158291904. Its totient is φ = 75253351680.

The previous prime is 76705723769. The next prime is 76705723793. The reversal of 76705723771 is 17732750767.

It is a happy number.

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

It is not a de Polignac number, because 76705723771 - 2¹ = 76705723769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76705723571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 920811 + ... + 1000651.

It is an arithmetic number, because the mean of its divisors is an integer number (9769786488).

Almost surely, 2^76705723771 is an apocalyptic number.

76705723771 is a deficient number, since it is larger than the sum of its proper divisors (1452568133).

76705723771 is a wasteful number, since it uses less digits than its factorization.

76705723771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98021.

The product of its (nonzero) digits is 3025260, while the sum is 52.

The spelling of 76705723771 in words is "seventy-six billion, seven hundred five million, seven hundred twenty-three thousand, seven hundred seventy-one".