76161096729 has 27 divisors (see below), whose sum is σ = 111758324223. Its totient is φ = 49979814192.

The previous prime is 76161096707. The next prime is 76161096787. The reversal of 76161096729 is 92769016167.

The square root of 76161096729 is 275973.

It is a perfect power (a square), and thus also a powerful number.

76161096729 is a `hidden beast` number, since 7 + 616 + 10 + 9 + 6 + 7 + 2 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 75276153225 + 884943504 = 274365^2 + 29748^2 .

It is not a de Polignac number, because 76161096729 - 2⁷ = 76161096601 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (76161096229) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 55469887 + ... + 55471259.

Almost surely, 2^76161096729 is an apocalyptic number.

76161096729 is the 275973-rd square number.

76161096729 is the 137987-th centered octagonal number.

It is an amenable number.

76161096729 is a deficient number, since it is larger than the sum of its proper divisors (35597227494).

76161096729 is an frugal number, since it uses more digits than its factorization.

76161096729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2886 (or 1443 counting only the distinct ones).

The product of its (nonzero) digits is 1714608, while the sum is 54.

The spelling of 76161096729 in words is "seventy-six billion, one hundred sixty-one million, ninety-six thousand, seven hundred twenty-nine".