77775214 has 8 divisors (see below), whose sum is σ = 127268568. Its totient is φ = 35352360.

The previous prime is 77775209. The next prime is 77775251. The reversal of 77775214 is 41257777.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1767597 + ... + 1767640.

It is an arithmetic number, because the mean of its divisors is an integer number (15908571).

Almost surely, 2^77775214 is an apocalyptic number.

77775214 is a deficient number, since it is larger than the sum of its proper divisors (49493354).

77775214 is a wasteful number, since it uses less digits than its factorization.

77775214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3535250.

The product of its digits is 96040, while the sum is 40.

The square root of 77775214 is about 8819.0256831466. The cubic root of 77775214 is about 426.8550314390.

The spelling of 77775214 in words is "seventy-seven million, seven hundred seventy-five thousand, two hundred fourteen".