79938835 has 4 divisors (see below), whose sum is σ = 95926608. Its totient is φ = 63951064.

The previous prime is 79938797. The next prime is 79938847. The reversal of 79938835 is 53883997.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53883997 = 607 ⋅88771.

It is a cyclic number.

It is not a de Polignac number, because 79938835 - 2⁷ = 79938707 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7993879 + ... + 7993888.

It is an arithmetic number, because the mean of its divisors is an integer number (23981652).

Almost surely, 2^79938835 is an apocalyptic number.

79938835 is a deficient number, since it is larger than the sum of its proper divisors (15987773).

79938835 is a wasteful number, since it uses less digits than its factorization.

79938835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15987772.

The product of its digits is 1632960, while the sum is 52.

The square root of 79938835 is about 8940.8520287498. The cubic root of 79938835 is about 430.7770966766. Note that the first 3 decimals are identical.

The spelling of 79938835 in words is "seventy-nine million, nine hundred thirty-eight thousand, eight hundred thirty-five".