34878679 has 24 divisors (see below), whose sum is σ = 41967504. Its totient is φ = 28627200.

The previous prime is 34878671. The next prime is 34878691. The reversal of 34878679 is 97687843.

It is a happy number.

It is not a de Polignac number, because 34878679 - 2³ = 34878671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34878671) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 491214 + ... + 491284.

It is an arithmetic number, because the mean of its divisors is an integer number (1748646).

Almost surely, 2^34878679 is an apocalyptic number.

34878679 is a deficient number, since it is larger than the sum of its proper divisors (7088825).

34878679 is a wasteful number, since it uses less digits than its factorization.

34878679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 136 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 52.

The square root of 34878679 is about 5905.8173862726. The cubic root of 34878679 is about 326.7282420137.

The spelling of 34878679 in words is "thirty-four million, eight hundred seventy-eight thousand, six hundred seventy-nine".