77271274522103 has 4 divisors (see below), whose sum is σ = 77283739647600. Its totient is φ = 77258809396608.

The previous prime is 77271274522093. The next prime is 77271274522153. The reversal of 77271274522103 is 30122547217277.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77271274522103 is a prime.

It is a super-2 number, since 2×77271274522103² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77271274522153) 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, 6232553450 + ... + 6232565847.

It is an arithmetic number, because the mean of its divisors is an integer number (19320934911900).

Almost surely, 2^{77271274522103} is an apocalyptic number.

77271274522103 is a deficient number, since it is larger than the sum of its proper divisors (12465125497).

77271274522103 is a wasteful number, since it uses less digits than its factorization.

77271274522103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12465125496.

The product of its (nonzero) digits is 2304960, while the sum is 50.

The spelling of 77271274522103 in words is "seventy-seven trillion, two hundred seventy-one billion, two hundred seventy-four million, five hundred twenty-two thousand, one hundred three".