42998679 has 12 divisors (see below), whose sum is σ = 62960976. Its totient is φ = 28272672.

The previous prime is 42998671. The next prime is 42998693. The reversal of 42998679 is 97689924.

It is not a de Polignac number, because 42998679 - 2³ = 42998671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42998671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32067 + ... + 33380.

It is an arithmetic number, because the mean of its divisors is an integer number (5246748).

Almost surely, 2^42998679 is an apocalyptic number.

42998679 is a deficient number, since it is larger than the sum of its proper divisors (19962297).

42998679 is a wasteful number, since it uses less digits than its factorization.

42998679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65526 (or 65523 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 42998679 is about 6557.3377982227. The cubic root of 42998679 is about 350.3362184137.

The spelling of 42998679 in words is "forty-two million, nine hundred ninety-eight thousand, six hundred seventy-nine".