77966353 has 8 divisors (see below), whose sum is σ = 80394336. Its totient is φ = 75566400.

The previous prime is 77966321. The next prime is 77966387. The reversal of 77966353 is 35366977.

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

It is a cyclic number.

It is not a de Polignac number, because 77966353 - 2⁵ = 77966321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77966303) 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, 1288 + ... + 12553.

It is an arithmetic number, because the mean of its divisors is an integer number (10049292).

Almost surely, 2^77966353 is an apocalyptic number.

It is an amenable number.

77966353 is a deficient number, since it is larger than the sum of its proper divisors (2427983).

77966353 is a wasteful number, since it uses less digits than its factorization.

77966353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14015.

The product of its digits is 714420, while the sum is 46.

The square root of 77966353 is about 8829.8557745866. The cubic root of 77966353 is about 427.2044225188.

The spelling of 77966353 in words is "seventy-seven million, nine hundred sixty-six thousand, three hundred fifty-three".