77857114 has 8 divisors (see below), whose sum is σ = 119634228. Its totient is φ = 37979040.

The previous prime is 77857081. The next prime is 77857121. The reversal of 77857114 is 41175877.

It can be written as a sum of positive squares in 2 ways, for example, as 74909025 + 2948089 = 8655^2 + 1717^2 .

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

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, 474657 + ... + 474820.

Almost surely, 2^77857114 is an apocalyptic number.

77857114 is a deficient number, since it is larger than the sum of its proper divisors (41777114).

77857114 is a wasteful number, since it uses less digits than its factorization.

77857114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949520.

The product of its digits is 54880, while the sum is 40.

The square root of 77857114 is about 8823.6678314633. The cubic root of 77857114 is about 427.0048099322.

The spelling of 77857114 in words is "seventy-seven million, eight hundred fifty-seven thousand, one hundred fourteen".