42966787 has 8 divisors (see below), whose sum is σ = 43425792. Its totient is φ = 42510600.

The previous prime is 42966773. The next prime is 42966793. The reversal of 42966787 is 78766924.

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-42966787 is a prime.

It is a super-2 number, since 2×42966787² = 3692289570206738, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 42966787.

It is not an unprimeable number, because it can be changed into a prime (42966727) 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, 42862 + ... + 43852.

It is an arithmetic number, because the mean of its divisors is an integer number (5428224).

Almost surely, 2^42966787 is an apocalyptic number.

42966787 is a deficient number, since it is larger than the sum of its proper divisors (459005).

42966787 is a wasteful number, since it uses less digits than its factorization.

42966787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409.

The product of its digits is 1016064, while the sum is 49.

The square root of 42966787 is about 6554.9055675883. The cubic root of 42966787 is about 350.2495825264.

The spelling of 42966787 in words is "forty-two million, nine hundred sixty-six thousand, seven hundred eighty-seven".