42474673177 has 4 divisors (see below), whose sum is σ = 42477569316. Its totient is φ = 42471777040.

The previous prime is 42474673123. The next prime is 42474673181. The reversal of 42474673177 is 77137647424.

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

It can be written as a sum of positive squares in 2 ways, for example, as 22254970761 + 20219702416 = 149181^2 + 142196^2 .

It is a cyclic number.

It is not a de Polignac number, because 42474673177 - 2⁷ = 42474673049 is a prime.

It is a super-2 number, since 2×42474673177² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42474670177) 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, 1425958 + ... + 1455439.

It is an arithmetic number, because the mean of its divisors is an integer number (10619392329).

Almost surely, 2^42474673177 is an apocalyptic number.

It is an amenable number.

42474673177 is a deficient number, since it is larger than the sum of its proper divisors (2896139).

42474673177 is a wasteful number, since it uses less digits than its factorization.

42474673177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2896138.

The product of its digits is 5531904, while the sum is 52.

The spelling of 42474673177 in words is "forty-two billion, four hundred seventy-four million, six hundred seventy-three thousand, one hundred seventy-seven".