78382467 has 12 divisors (see below), whose sum is σ = 119178280. Its totient is φ = 49504608.

The previous prime is 78382453. The next prime is 78382487. The reversal of 78382467 is 76428387.

It is a happy number.

It is not a de Polignac number, because 78382467 - 2¹⁸ = 78120323 is a prime.

It is a super-2 number, since 2×78382467² = 12287622266012178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78382487) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 229018 + ... + 229359.

Almost surely, 2^78382467 is an apocalyptic number.

78382467 is a deficient number, since it is larger than the sum of its proper divisors (40795813).

78382467 is a wasteful number, since it uses less digits than its factorization.

78382467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458402 (or 458399 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 78382467 is about 8853.3873178575. The cubic root of 78382467 is about 427.9630849316.

The spelling of 78382467 in words is "seventy-eight million, three hundred eighty-two thousand, four hundred sixty-seven".