78483805 has 8 divisors (see below), whose sum is σ = 94247352. Its totient is φ = 62742528.

The previous prime is 78483793. The next prime is 78483817. The reversal of 78483805 is 50838487.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (78483793) and next prime (78483817).

It can be written as a sum of positive squares in 4 ways, for example, as 20693401 + 57790404 = 4549^2 + 7602^2 .

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 78483805 - 2¹⁷ = 78352733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3549 + ... + 13021.

It is an arithmetic number, because the mean of its divisors is an integer number (11780919).

Almost surely, 2^78483805 is an apocalyptic number.

It is an amenable number.

78483805 is a deficient number, since it is larger than the sum of its proper divisors (15763547).

78483805 is a wasteful number, since it uses less digits than its factorization.

78483805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11135.

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 78483805 is about 8859.1085894688. The cubic root of 78483805 is about 428.1474384318.

The spelling of 78483805 in words is "seventy-eight million, four hundred eighty-three thousand, eight hundred five".