77210216107 has 4 divisors (see below), whose sum is σ = 77602146336. Its totient is φ = 76818285880.

The previous prime is 77210216101. The next prime is 77210216113. The reversal of 77210216107 is 70161201277.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70161201277 = 59 ⋅1189172903.

It is an interprime number because it is at equal distance from previous prime (77210216101) and next prime (77210216113).

It is a cyclic number.

It is not a de Polignac number, because 77210216107 - 2³⁵ = 42850477739 is a prime.

It is a super-2 number, since 2×77210216107² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77210216101) 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, 195964819 + ... + 195965212.

It is an arithmetic number, because the mean of its divisors is an integer number (19400536584).

Almost surely, 2^77210216107 is an apocalyptic number.

77210216107 is a deficient number, since it is larger than the sum of its proper divisors (391930229).

77210216107 is a wasteful number, since it uses less digits than its factorization.

77210216107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391930228.

The product of its (nonzero) digits is 8232, while the sum is 34.

The spelling of 77210216107 in words is "seventy-seven billion, two hundred ten million, two hundred sixteen thousand, one hundred seven".