42865077 has 16 divisors (see below), whose sum is σ = 59829120. Its totient is φ = 27246912.

The previous prime is 42865063. The next prime is 42865079. The reversal of 42865077 is 77056824.

It is not a de Polignac number, because 42865077 - 2⁴ = 42865061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42865079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26043 + ... + 27639.

It is an arithmetic number, because the mean of its divisors is an integer number (3739320).

Almost surely, 2^42865077 is an apocalyptic number.

It is an amenable number.

42865077 is a deficient number, since it is larger than the sum of its proper divisors (16964043).

42865077 is a wasteful number, since it uses less digits than its factorization.

42865077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2012.

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 42865077 is about 6547.1426592064. The cubic root of 42865077 is about 349.9729965561.

The spelling of 42865077 in words is "forty-two million, eight hundred sixty-five thousand, seventy-seven".