771841790113 has 4 divisors (see below), whose sum is σ = 771848176320. Its totient is φ = 771835403908.

The previous prime is 771841790107. The next prime is 771841790117. The reversal of 771841790113 is 311097148177.

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, and also an emirpimes, since its reverse is a distinct semiprime: 311097148177 = 197 ⋅1579173341.

It is a cyclic number.

It is not a de Polignac number, because 771841790113 - 2⁵ = 771841790081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (771841790117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3008245 + ... + 3254722.

It is an arithmetic number, because the mean of its divisors is an integer number (192962044080).

Almost surely, 2^771841790113 is an apocalyptic number.

It is an amenable number.

771841790113 is a deficient number, since it is larger than the sum of its proper divisors (6386207).

771841790113 is a wasteful number, since it uses less digits than its factorization.

771841790113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6386206.

The product of its (nonzero) digits is 296352, while the sum is 49.

The spelling of 771841790113 in words is "seven hundred seventy-one billion, eight hundred forty-one million, seven hundred ninety thousand, one hundred thirteen".