77342966 has 8 divisors (see below), whose sum is σ = 116142120. Its totient is φ = 38628928.

The previous prime is 77342959. The next prime is 77342981. The reversal of 77342966 is 66924377.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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, 18956 + ... + 22671.

It is an arithmetic number, because the mean of its divisors is an integer number (14517765).

Almost surely, 2^77342966 is an apocalyptic number.

77342966 is a deficient number, since it is larger than the sum of its proper divisors (38799154).

77342966 is a wasteful number, since it uses less digits than its factorization.

77342966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42558.

The product of its digits is 381024, while the sum is 44.

The square root of 77342966 is about 8794.4849763929. The cubic root of 77342966 is about 426.0627906005.

The spelling of 77342966 in words is "seventy-seven million, three hundred forty-two thousand, nine hundred sixty-six".