42251077577 has 4 divisors (see below), whose sum is σ = 42255100176. Its totient is φ = 42247054980.

The previous prime is 42251077573. The next prime is 42251077591. The reversal of 42251077577 is 77577015224.

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 a cyclic number.

It is not a de Polignac number, because 42251077577 - 2² = 42251077573 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42251077573) 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, 1995503 + ... + 2016564.

It is an arithmetic number, because the mean of its divisors is an integer number (10563775044).

Almost surely, 2^42251077577 is an apocalyptic number.

It is an amenable number.

42251077577 is a deficient number, since it is larger than the sum of its proper divisors (4022599).

42251077577 is a wasteful number, since it uses less digits than its factorization.

42251077577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4022598.

The product of its (nonzero) digits is 960400, while the sum is 47.

The spelling of 42251077577 in words is "forty-two billion, two hundred fifty-one million, seventy-seven thousand, five hundred seventy-seven".