77832214 has 4 divisors (see below), whose sum is σ = 116748324. Its totient is φ = 38916106.

The previous prime is 77832199. The next prime is 77832217. The reversal of 77832214 is 41223877.

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

It is a super-2 number, since 2×77832214² = 12115707072283592, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 77832214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77832217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19458052 + ... + 19458055.

It is an arithmetic number, because the mean of its divisors is an integer number (29187081).

Almost surely, 2^77832214 is an apocalyptic number.

77832214 is a deficient number, since it is larger than the sum of its proper divisors (38916110).

77832214 is a wasteful number, since it uses less digits than its factorization.

77832214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38916109.

The product of its digits is 18816, while the sum is 34.

The square root of 77832214 is about 8822.2567407665. The cubic root of 77832214 is about 426.9592839984.

The spelling of 77832214 in words is "seventy-seven million, eight hundred thirty-two thousand, two hundred fourteen".