33879479 has 2 divisors, whose sum is σ = 33879480. Its totient is φ = 33879478.

The previous prime is 33879473. The next prime is 33879533. The reversal of 33879479 is 97497833.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 33879479 - 2⁴ = 33879463 is a prime.

It is a super-2 number, since 2×33879479² = 2295638194622882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33879473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16939739 + 16939740.

It is an arithmetic number, because the mean of its divisors is an integer number (16939740).

Almost surely, 2^33879479 is an apocalyptic number.

33879479 is a deficient number, since it is larger than the sum of its proper divisors (1).

33879479 is an equidigital number, since it uses as much as digits as its factorization.

33879479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1143072, while the sum is 50.

The square root of 33879479 is about 5820.6081297404. The cubic root of 33879479 is about 323.5779414008.

The spelling of 33879479 in words is "thirty-three million, eight hundred seventy-nine thousand, four hundred seventy-nine".