77992714 has 16 divisors (see below), whose sum is σ = 121178880. Its totient is φ = 37608480.

The previous prime is 77992711. The next prime is 77992751. The reversal of 77992714 is 41729977.

It is not an unprimeable number, because it can be changed into a prime (77992711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17397 + ... + 21415.

It is an arithmetic number, because the mean of its divisors is an integer number (7573680).

Almost surely, 2^77992714 is an apocalyptic number.

77992714 is a deficient number, since it is larger than the sum of its proper divisors (43186166).

77992714 is a wasteful number, since it uses less digits than its factorization.

77992714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4365.

The product of its digits is 222264, while the sum is 46.

The square root of 77992714 is about 8831.3483681712. The cubic root of 77992714 is about 427.2525640841.

It can be divided in two parts, 7799271 and 4, that added together give a triangular number (7799275 = T₃₉₄₉).

The spelling of 77992714 in words is "seventy-seven million, nine hundred ninety-two thousand, seven hundred fourteen".