77937814 has 4 divisors (see below), whose sum is σ = 116906724. Its totient is φ = 38968906.

The previous prime is 77937803. The next prime is 77937841. The reversal of 77937814 is 41873977.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41873977 = 3011 ⋅13907.

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 as a sum of consecutive naturals, namely, 19484452 + ... + 19484455.

It is an arithmetic number, because the mean of its divisors is an integer number (29226681).

Almost surely, 2^77937814 is an apocalyptic number.

77937814 is a deficient number, since it is larger than the sum of its proper divisors (38968910).

77937814 is a wasteful number, since it uses less digits than its factorization.

77937814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38968909.

The product of its digits is 296352, while the sum is 46.

The square root of 77937814 is about 8828.2395753627. The cubic root of 77937814 is about 427.1522911637.

The spelling of 77937814 in words is "seventy-seven million, nine hundred thirty-seven thousand, eight hundred fourteen".