77216014 has 24 divisors (see below), whose sum is σ = 123230520. Its totient is φ = 36274128.

The previous prime is 77215993. The next prime is 77216017. The reversal of 77216014 is 41061277.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77216017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61804 + ... + 63040.

It is an arithmetic number, because the mean of its divisors is an integer number (5134605).

Almost surely, 2^77216014 is an apocalyptic number.

77216014 is a deficient number, since it is larger than the sum of its proper divisors (46014506).

77216014 is a wasteful number, since it uses less digits than its factorization.

77216014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344 (or 1321 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 77216014 is about 8787.2643069388. The cubic root of 77216014 is about 425.8295474771.

The spelling of 77216014 in words is "seventy-seven million, two hundred sixteen thousand, fourteen".