42017052477 has 4 divisors (see below), whose sum is σ = 56022736640. Its totient is φ = 28011368316.

The previous prime is 42017052463. The next prime is 42017052503. The reversal of 42017052477 is 77425071024.

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.

It is not a de Polignac number, because 42017052477 - 2¹¹ = 42017050429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42017052277) 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, 7002842077 + ... + 7002842082.

It is an arithmetic number, because the mean of its divisors is an integer number (14005684160).

Almost surely, 2^42017052477 is an apocalyptic number.

It is an amenable number.

42017052477 is a deficient number, since it is larger than the sum of its proper divisors (14005684163).

42017052477 is a wasteful number, since it uses less digits than its factorization.

42017052477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14005684162.

The product of its (nonzero) digits is 109760, while the sum is 39.

The spelling of 42017052477 in words is "forty-two billion, seventeen million, fifty-two thousand, four hundred seventy-seven".