78914607 has 4 divisors (see below), whose sum is σ = 105219480. Its totient is φ = 52609736.

The previous prime is 78914573. The next prime is 78914611. The reversal of 78914607 is 70641987.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78914607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78914207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13152432 + ... + 13152437.

It is an arithmetic number, because the mean of its divisors is an integer number (26304870).

Almost surely, 2^78914607 is an apocalyptic number.

78914607 is a deficient number, since it is larger than the sum of its proper divisors (26304873).

78914607 is a wasteful number, since it uses less digits than its factorization.

78914607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26304872.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 78914607 is about 8883.3893869401. The cubic root of 78914607 is about 428.9293845442.

The spelling of 78914607 in words is "seventy-eight million, nine hundred fourteen thousand, six hundred seven".