42558628715077 has 8 divisors (see below), whose sum is σ = 42572749483800. Its totient is φ = 42544509283584.

The previous prime is 42558628715069. The next prime is 42558628715087. The reversal of 42558628715077 is 77051782685524.

It can be written as a sum of positive squares in 4 ways, for example, as 14164075263361 + 28394553451716 = 3763519^2 + 5328654^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42558628715077 - 2³ = 42558628715069 is a prime.

It is a super-2 number, since 2×42558628715077² (a number of 28 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 (42558628715087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65466249 + ... + 66113137.

It is an arithmetic number, because the mean of its divisors is an integer number (5321593685475).

Almost surely, 2^{42558628715077} is an apocalyptic number.

It is an amenable number.

42558628715077 is a deficient number, since it is larger than the sum of its proper divisors (14120768723).

42558628715077 is a wasteful number, since it uses less digits than its factorization.

42558628715077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668615.

The product of its (nonzero) digits is 263424000, while the sum is 67.

The spelling of 42558628715077 in words is "forty-two trillion, five hundred fifty-eight billion, six hundred twenty-eight million, seven hundred fifteen thousand, seventy-seven".