42977635 has 8 divisors (see below), whose sum is σ = 52831296. Its totient is φ = 33543360.

The previous prime is 42977633. The next prime is 42977657. The reversal of 42977635 is 53677924.

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

It is not a de Polignac number, because 42977635 - 2¹ = 42977633 is a prime.

It is a super-2 number, since 2×42977635² = 3694154220386450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42977591 and 42977600.

It is not an unprimeable number, because it can be changed into a prime (42977633) 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, 104619 + ... + 105028.

It is an arithmetic number, because the mean of its divisors is an integer number (6603912).

Almost surely, 2^42977635 is an apocalyptic number.

42977635 is a deficient number, since it is larger than the sum of its proper divisors (9853661).

42977635 is a wasteful number, since it uses less digits than its factorization.

42977635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209693.

The product of its digits is 317520, while the sum is 43.

The square root of 42977635 is about 6555.7329872410. The cubic root of 42977635 is about 350.2790563597.

The spelling of 42977635 in words is "forty-two million, nine hundred seventy-seven thousand, six hundred thirty-five".