78797435 has 4 divisors (see below), whose sum is σ = 94556928. Its totient is φ = 63037944.

The previous prime is 78797413. The next prime is 78797479. The reversal of 78797435 is 53479787.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53479787 = 197 ⋅271471.

It is a cyclic number.

It is not a de Polignac number, because 78797435 - 2⁸ = 78797179 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, 7879739 + ... + 7879748.

It is an arithmetic number, because the mean of its divisors is an integer number (23639232).

Almost surely, 2^78797435 is an apocalyptic number.

78797435 is a deficient number, since it is larger than the sum of its proper divisors (15759493).

78797435 is a wasteful number, since it uses less digits than its factorization.

78797435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15759492.

The product of its digits is 1481760, while the sum is 50.

The square root of 78797435 is about 8876.7919317736. The cubic root of 78797435 is about 428.7169886780.

The spelling of 78797435 in words is "seventy-eight million, seven hundred ninety-seven thousand, four hundred thirty-five".