42616577 has 4 divisors (see below), whose sum is σ = 42637056. Its totient is φ = 42596100.

The previous prime is 42616571. The next prime is 42616583. The reversal of 42616577 is 77561624.

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 an interprime number because it is at equal distance from previous prime (42616571) and next prime (42616583).

It is a cyclic number.

It is not a de Polignac number, because 42616577 - 2²² = 38422273 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42616577.

It is not an unprimeable number, because it can be changed into a prime (42616571) 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, 6713 + ... + 11414.

It is an arithmetic number, because the mean of its divisors is an integer number (10659264).

Almost surely, 2^42616577 is an apocalyptic number.

It is an amenable number.

42616577 is a deficient number, since it is larger than the sum of its proper divisors (20479).

42616577 is a wasteful number, since it uses less digits than its factorization.

42616577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20478.

The product of its digits is 70560, while the sum is 38.

The square root of 42616577 is about 6528.1373300506. The cubic root of 42616577 is about 349.2953906169.

The spelling of 42616577 in words is "forty-two million, six hundred sixteen thousand, five hundred seventy-seven".