77381014 has 8 divisors (see below), whose sum is σ = 116395920. Its totient is φ = 38582376.

The previous prime is 77381011. The next prime is 77381021. The reversal of 77381014 is 41018377.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77381011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53169 + ... + 54604.

It is an arithmetic number, because the mean of its divisors is an integer number (14549490).

Almost surely, 2^77381014 is an apocalyptic number.

77381014 is a deficient number, since it is larger than the sum of its proper divisors (39014906).

77381014 is a wasteful number, since it uses less digits than its factorization.

77381014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108134.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 77381014 is about 8796.6478842796. The cubic root of 77381014 is about 426.1326447422.

The spelling of 77381014 in words is "seventy-seven million, three hundred eighty-one thousand, fourteen".