78700467 has 4 divisors (see below), whose sum is σ = 104933960. Its totient is φ = 52466976.

The previous prime is 78700423. The next prime is 78700471. The reversal of 78700467 is 76400787.

It is a happy number.

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

It is not a de Polignac number, because 78700467 - 2⁸ = 78700211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78700267) 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, 13116742 + ... + 13116747.

It is an arithmetic number, because the mean of its divisors is an integer number (26233490).

Almost surely, 2^78700467 is an apocalyptic number.

78700467 is a deficient number, since it is larger than the sum of its proper divisors (26233493).

78700467 is a wasteful number, since it uses less digits than its factorization.

78700467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26233492.

The product of its (nonzero) digits is 65856, while the sum is 39.

The square root of 78700467 is about 8871.3283672740. The cubic root of 78700467 is about 428.5410570064.

The spelling of 78700467 in words is "seventy-eight million, seven hundred thousand, four hundred sixty-seven".