42862087 has 16 divisors (see below), whose sum is σ = 46656000. Its totient is φ = 39253984.

The previous prime is 42862063. The next prime is 42862093. The reversal of 42862087 is 78026824.

It is a de Polignac number, because none of the positive numbers 2^k-42862087 is a prime.

It is a super-3 number, since 3×42862087³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42862007) 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, 119214 + ... + 119572.

It is an arithmetic number, because the mean of its divisors is an integer number (2916000).

Almost surely, 2^42862087 is an apocalyptic number.

42862087 is a deficient number, since it is larger than the sum of its proper divisors (3793913).

42862087 is a wasteful number, since it uses less digits than its factorization.

42862087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590.

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 42862087 is about 6546.9143113378. The cubic root of 42862087 is about 349.9648590569.

The spelling of 42862087 in words is "forty-two million, eight hundred sixty-two thousand, eighty-seven".