78418780467 has 8 divisors (see below), whose sum is σ = 106989964224. Its totient is φ = 51063391848.

The previous prime is 78418780459. The next prime is 78418780483. The reversal of 78418780467 is 76408781487.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 78418780467 - 2³ = 78418780459 is a prime.

It is a super-2 number, since 2×78418780467² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 78418780467.

It is not an unprimeable number, because it can be changed into a prime (78418780457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303948633 + ... + 303948890.

It is an arithmetic number, because the mean of its divisors is an integer number (13373745528).

Almost surely, 2^78418780467 is an apocalyptic number.

78418780467 is a deficient number, since it is larger than the sum of its proper divisors (28571183757).

78418780467 is a wasteful number, since it uses less digits than its factorization.

78418780467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607897569.

The product of its (nonzero) digits is 16859136, while the sum is 60.

The spelling of 78418780467 in words is "seventy-eight billion, four hundred eighteen million, seven hundred eighty thousand, four hundred sixty-seven".