76961129 has 4 divisors (see below), whose sum is σ = 87955584. Its totient is φ = 65966676.

The previous prime is 76961117. The next prime is 76961161. The reversal of 76961129 is 92116967.

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.

It is a cyclic number.

It is not a de Polignac number, because 76961129 - 2⁴ = 76961113 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (76961179) 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, 5497217 + ... + 5497230.

It is an arithmetic number, because the mean of its divisors is an integer number (21988896).

Almost surely, 2^76961129 is an apocalyptic number.

It is an amenable number.

76961129 is a deficient number, since it is larger than the sum of its proper divisors (10994455).

76961129 is a wasteful number, since it uses less digits than its factorization.

76961129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10994454.

The product of its digits is 40824, while the sum is 41.

The square root of 76961129 is about 8772.7492270097. The cubic root of 76961129 is about 425.3604858442.

The spelling of 76961129 in words is "seventy-six million, nine hundred sixty-one thousand, one hundred twenty-nine".