77871014 has 32 divisors (see below), whose sum is σ = 131408256. Its totient is φ = 34369920.

The previous prime is 77871007. The next prime is 77871019. The reversal of 77871014 is 41017877.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77871019) 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 15 ways as a sum of consecutive naturals, for example, 58019 + ... + 59345.

It is an arithmetic number, because the mean of its divisors is an integer number (4106508).

Almost surely, 2^77871014 is an apocalyptic number.

77871014 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

77871014 is a deficient number, since it is larger than the sum of its proper divisors (53537242).

77871014 is a wasteful number, since it uses less digits than its factorization.

77871014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440.

The product of its (nonzero) digits is 10976, while the sum is 35.

The square root of 77871014 is about 8824.4554506213. The cubic root of 77871014 is about 427.0302197861.

The spelling of 77871014 in words is "seventy-seven million, eight hundred seventy-one thousand, fourteen".