77716027 has 8 divisors (see below), whose sum is σ = 85125600. Its totient is φ = 70621824.

The previous prime is 77716003. The next prime is 77716087. The reversal of 77716027 is 72061777.

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

It is a cyclic number.

It is not a de Polignac number, because 77716027 - 2⁷ = 77715899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77716087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78327 + ... + 79312.

It is an arithmetic number, because the mean of its divisors is an integer number (10640700).

Almost surely, 2^77716027 is an apocalyptic number.

77716027 is a deficient number, since it is larger than the sum of its proper divisors (7409573).

77716027 is a wasteful number, since it uses less digits than its factorization.

77716027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157685.

The product of its (nonzero) digits is 28812, while the sum is 37.

The square root of 77716027 is about 8815.6694016961. The cubic root of 77716027 is about 426.7467249539.

The spelling of 77716027 in words is "seventy-seven million, seven hundred sixteen thousand, twenty-seven".