78952435 has 4 divisors (see below), whose sum is σ = 94742928. Its totient is φ = 63161944.

The previous prime is 78952409. The next prime is 78952439. The reversal of 78952435 is 53425987.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53425987 = 23 ⋅2322869.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78952435 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78952391 and 78952400.

It is not an unprimeable number, because it can be changed into a prime (78952439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7895239 + ... + 7895248.

It is an arithmetic number, because the mean of its divisors is an integer number (23685732).

Almost surely, 2^78952435 is an apocalyptic number.

78952435 is a deficient number, since it is larger than the sum of its proper divisors (15790493).

78952435 is a wasteful number, since it uses less digits than its factorization.

78952435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15790492.

The product of its digits is 302400, while the sum is 43.

The square root of 78952435 is about 8885.5182741357. The cubic root of 78952435 is about 428.9979098758.

The spelling of 78952435 in words is "seventy-eight million, nine hundred fifty-two thousand, four hundred thirty-five".