77306371117 has 4 divisors (see below), whose sum is σ = 79800125056. Its totient is φ = 74812617180.

The previous prime is 77306371111. The next prime is 77306371141. The reversal of 77306371117 is 71117360377.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 77306371117 - 2³¹ = 75158887469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77306371111) 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, 1246876923 + ... + 1246876984.

It is an arithmetic number, because the mean of its divisors is an integer number (19950031264).

Almost surely, 2^77306371117 is an apocalyptic number.

It is an amenable number.

77306371117 is a deficient number, since it is larger than the sum of its proper divisors (2493753939).

77306371117 is a wasteful number, since it uses less digits than its factorization.

77306371117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493753938.

The product of its (nonzero) digits is 129654, while the sum is 43.

The spelling of 77306371117 in words is "seventy-seven billion, three hundred six million, three hundred seventy-one thousand, one hundred seventeen".