77308116197 has 8 divisors (see below), whose sum is σ = 84427499520. Its totient is φ = 70356247920.

The previous prime is 77308116139. The next prime is 77308116209. The reversal of 77308116197 is 79161180377.

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 77308116197 - 2²⁴ = 77291338981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77308116397) 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, 41877797 + ... + 41879642.

It is an arithmetic number, because the mean of its divisors is an integer number (10553437440).

Almost surely, 2^77308116197 is an apocalyptic number.

It is an amenable number.

77308116197 is a deficient number, since it is larger than the sum of its proper divisors (7119383323).

77308116197 is a wasteful number, since it uses less digits than its factorization.

77308116197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83757523.

The product of its (nonzero) digits is 444528, while the sum is 50.

The spelling of 77308116197 in words is "seventy-seven billion, three hundred eight million, one hundred sixteen thousand, one hundred ninety-seven".