42577897 has 8 divisors (see below), whose sum is σ = 43464512. Its totient is φ = 41698800.

The previous prime is 42577891. The next prime is 42577937. The reversal of 42577897 is 79877524.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42577897 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 42577897.

It is not an unprimeable number, because it can be changed into a prime (42577891) 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, 10372 + ... + 13882.

It is an arithmetic number, because the mean of its divisors is an integer number (5433064).

Almost surely, 2^42577897 is an apocalyptic number.

It is an amenable number.

42577897 is a deficient number, since it is larger than the sum of its proper divisors (886615).

42577897 is a wasteful number, since it uses less digits than its factorization.

42577897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3759.

The product of its digits is 987840, while the sum is 49.

The square root of 42577897 is about 6525.1740972943. The cubic root of 42577897 is about 349.1896818662.

The spelling of 42577897 in words is "forty-two million, five hundred seventy-seven thousand, eight hundred ninety-seven".