78974467 has 16 divisors (see below), whose sum is σ = 93364992. Its totient is φ = 65855520.

The previous prime is 78974449. The next prime is 78974471. The reversal of 78974467 is 76447987.

It is a cyclic number.

It is not a de Polignac number, because 78974467 - 2⁷ = 78974339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78974447) 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 15 ways as a sum of consecutive naturals, for example, 22228 + ... + 25534.

It is an arithmetic number, because the mean of its divisors is an integer number (5835312).

Almost surely, 2^78974467 is an apocalyptic number.

78974467 is a deficient number, since it is larger than the sum of its proper divisors (14390525).

78974467 is a wasteful number, since it uses less digits than its factorization.

78974467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3498.

The product of its digits is 2370816, while the sum is 52.

The square root of 78974467 is about 8886.7579577707. The cubic root of 78974467 is about 429.0378107052.

The spelling of 78974467 in words is "seventy-eight million, nine hundred seventy-four thousand, four hundred sixty-seven".