78774713 has 8 divisors (see below), whose sum is σ = 80061696. Its totient is φ = 77492800.

The previous prime is 78774677. The next prime is 78774749. The reversal of 78774713 is 31747787.

It is an interprime number because it is at equal distance from previous prime (78774677) and next prime (78774749).

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 78774713 - 2⁶ = 78774649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78774763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41168 + ... + 43038.

It is an arithmetic number, because the mean of its divisors is an integer number (10007712).

Almost surely, 2^78774713 is an apocalyptic number.

It is an amenable number.

78774713 is a deficient number, since it is larger than the sum of its proper divisors (1286983).

78774713 is a wasteful number, since it uses less digits than its factorization.

78774713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2535.

The product of its digits is 230496, while the sum is 44.

The square root of 78774713 is about 8875.5119852322. The cubic root of 78774713 is about 428.6757764909.

The spelling of 78774713 in words is "seventy-eight million, seven hundred seventy-four thousand, seven hundred thirteen".