77941329 has 8 divisors (see below), whose sum is σ = 104116032. Its totient is φ = 51863760.

The previous prime is 77941271. The next prime is 77941337. The reversal of 77941329 is 92314977.

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

It is a de Polignac number, because none of the positive numbers 2^k-77941329 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (77941349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22389 + ... + 25634.

It is an arithmetic number, because the mean of its divisors is an integer number (13014504).

Almost surely, 2^77941329 is an apocalyptic number.

It is an amenable number.

77941329 is a deficient number, since it is larger than the sum of its proper divisors (26174703).

77941329 is a wasteful number, since it uses less digits than its factorization.

77941329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48567.

The product of its digits is 95256, while the sum is 42.

The square root of 77941329 is about 8828.4386501804. The cubic root of 77941329 is about 427.1587125983.

The spelling of 77941329 in words is "seventy-seven million, nine hundred forty-one thousand, three hundred twenty-nine".