78482455 has 16 divisors (see below), whose sum is σ = 100613664. Its totient is φ = 58562560.

The previous prime is 78482431. The next prime is 78482461. The reversal of 78482455 is 55428487.

It is a happy number.

It is not a de Polignac number, because 78482455 - 2⁵ = 78482423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5520 + ... + 13690.

It is an arithmetic number, because the mean of its divisors is an integer number (6288354).

Almost surely, 2^78482455 is an apocalyptic number.

78482455 is a deficient number, since it is larger than the sum of its proper divisors (22131209).

78482455 is a wasteful number, since it uses less digits than its factorization.

78482455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8306.

The product of its digits is 358400, while the sum is 43.

The square root of 78482455 is about 8859.0323963738. The cubic root of 78482455 is about 428.1449835629.

The spelling of 78482455 in words is "seventy-eight million, four hundred eighty-two thousand, four hundred fifty-five".