77848214 has 4 divisors (see below), whose sum is σ = 116772324. Its totient is φ = 38924106.

The previous prime is 77848213. The next prime is 77848229. The reversal of 77848214 is 41284877.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77848213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19462052 + ... + 19462055.

It is an arithmetic number, because the mean of its divisors is an integer number (29193081).

Almost surely, 2^77848214 is an apocalyptic number.

77848214 is a deficient number, since it is larger than the sum of its proper divisors (38924110).

77848214 is a wasteful number, since it uses less digits than its factorization.

77848214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38924109.

The product of its digits is 100352, while the sum is 41.

The square root of 77848214 is about 8823.1634916282. The cubic root of 77848214 is about 426.9885387253.

The spelling of 77848214 in words is "seventy-seven million, eight hundred forty-eight thousand, two hundred fourteen".