775030027673 has 4 divisors (see below), whose sum is σ = 845487302928. Its totient is φ = 704572752420.

The previous prime is 775030027663. The next prime is 775030027699. The reversal of 775030027673 is 376720030577.

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: 376720030577 = 11 ⋅34247275507.

It is a cyclic number.

It is not a de Polignac number, because 775030027673 - 2²⁰ = 775028979097 is a prime.

It is a super-2 number, since 2×775030027673² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (775030027663) 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, 35228637611 + ... + 35228637632.

It is an arithmetic number, because the mean of its divisors is an integer number (211371825732).

Almost surely, 2^775030027673 is an apocalyptic number.

It is an amenable number.

775030027673 is a deficient number, since it is larger than the sum of its proper divisors (70457275255).

775030027673 is a wasteful number, since it uses less digits than its factorization.

775030027673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70457275254.

The product of its (nonzero) digits is 1296540, while the sum is 47.

The spelling of 775030027673 in words is "seven hundred seventy-five billion, thirty million, twenty-seven thousand, six hundred seventy-three".