34879995979 has 8 divisors (see below), whose sum is σ = 35392204800. Its totient is φ = 34368369000.

The previous prime is 34879995947. The next prime is 34879995989. The reversal of 34879995979 is 97959997843.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34879995979 - 2⁵ = 34879995947 is a prime.

It is a super-2 number, since 2×34879995979² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34879995899 and 34879995908.

It is not an unprimeable number, because it can be changed into a prime (34879995989) 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, 23947 + ... + 265204.

It is an arithmetic number, because the mean of its divisors is an integer number (4424025600).

Almost surely, 2^34879995979 is an apocalyptic number.

34879995979 is a deficient number, since it is larger than the sum of its proper divisors (512208821).

34879995979 is a wasteful number, since it uses less digits than its factorization.

34879995979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290921.

The product of its digits is 1388832480, while the sum is 79.

The spelling of 34879995979 in words is "thirty-four billion, eight hundred seventy-nine million, nine hundred ninety-five thousand, nine hundred seventy-nine".