78265383 has 8 divisors (see below), whose sum is σ = 119261568. Its totient is φ = 44723064.

The previous prime is 78265349. The next prime is 78265441. The reversal of 78265383 is 38356287.

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

It is not a de Polignac number, because 78265383 - 2¹³ = 78257191 is a prime.

It is a super-2 number, since 2×78265383² = 12250940352273378, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78265303) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1863441 + ... + 1863482.

It is an arithmetic number, because the mean of its divisors is an integer number (14907696).

Almost surely, 2^78265383 is an apocalyptic number.

78265383 is a deficient number, since it is larger than the sum of its proper divisors (40996185).

78265383 is a wasteful number, since it uses less digits than its factorization.

78265383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3726933.

The product of its digits is 241920, while the sum is 42.

The square root of 78265383 is about 8846.7724623164. The cubic root of 78265383 is about 427.7498884437.

The spelling of 78265383 in words is "seventy-eight million, two hundred sixty-five thousand, three hundred eighty-three".