42775677 has 18 divisors (see below), whose sum is σ = 71875518. Its totient is φ = 24442992.

The previous prime is 42775673. The next prime is 42775697. The reversal of 42775677 is 77657724.

It can be written as a sum of positive squares in only one way, i.e., 26687556 + 16088121 = 5166^2 + 4011^2 .

It is not a de Polignac number, because 42775677 - 2² = 42775673 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42775673) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 48058 + ... + 48939.

Almost surely, 2^42775677 is an apocalyptic number.

It is an amenable number.

42775677 is a deficient number, since it is larger than the sum of its proper divisors (29099841).

42775677 is a wasteful number, since it uses less digits than its factorization.

42775677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97017 (or 97007 counting only the distinct ones).

The product of its digits is 576240, while the sum is 45.

The square root of 42775677 is about 6540.3116898203. The cubic root of 42775677 is about 349.7295243670.

The spelling of 42775677 in words is "forty-two million, seven hundred seventy-five thousand, six hundred seventy-seven".