42866061525577 has 4 divisors (see below), whose sum is σ = 42866662913536. Its totient is φ = 42865460137620.

The previous prime is 42866061525569. The next prime is 42866061525611. The reversal of 42866061525577 is 77552516066824.

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 42866061525577 - 2³ = 42866061525569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42866061525277) 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, 300587049 + ... + 300729622.

It is an arithmetic number, because the mean of its divisors is an integer number (10716665728384).

Almost surely, 2^{42866061525577} is an apocalyptic number.

It is an amenable number.

42866061525577 is a deficient number, since it is larger than the sum of its proper divisors (601387959).

42866061525577 is an equidigital number, since it uses as much as digits as its factorization.

42866061525577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601387958.

The product of its (nonzero) digits is 169344000, while the sum is 64.

The spelling of 42866061525577 in words is "forty-two trillion, eight hundred sixty-six billion, sixty-one million, five hundred twenty-five thousand, five hundred seventy-seven".