42986079 has 16 divisors (see below), whose sum is σ = 64153440. Its totient is φ = 28445760.

The previous prime is 42986063. The next prime is 42986089. The reversal of 42986079 is 97068924.

It is a happy number.

It is not a de Polignac number, because 42986079 - 2⁴ = 42986063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42986039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2112 + ... + 9509.

It is an arithmetic number, because the mean of its divisors is an integer number (4009590).

Almost surely, 2^42986079 is an apocalyptic number.

42986079 is a deficient number, since it is larger than the sum of its proper divisors (21167361).

42986079 is a wasteful number, since it uses less digits than its factorization.

42986079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11767 (or 11761 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 42986079 is about 6556.3769720784. The cubic root of 42986079 is about 350.3019951329.

The spelling of 42986079 in words is "forty-two million, nine hundred eighty-six thousand, seventy-nine".