77789114 has 8 divisors (see below), whose sum is σ = 125659380. Its totient is φ = 35902656.

The previous prime is 77789113. The next prime is 77789119. The reversal of 77789114 is 41198777.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 77141089 + 648025 = 8783^2 + 805^2 .

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

It is a super-2 number, since 2×77789114² = 12102292513809992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (77789113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1495919 + ... + 1495970.

Almost surely, 2^77789114 is an apocalyptic number.

77789114 is a deficient number, since it is larger than the sum of its proper divisors (47870266).

77789114 is a wasteful number, since it uses less digits than its factorization.

77789114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2991904.

The product of its digits is 98784, while the sum is 44.

The square root of 77789114 is about 8819.8137168537. The cubic root of 77789114 is about 426.8804591264.

The spelling of 77789114 in words is "seventy-seven million, seven hundred eighty-nine thousand, one hundred fourteen".