78283363 has 4 divisors (see below), whose sum is σ = 82403560. Its totient is φ = 74163168.

The previous prime is 78283333. The next prime is 78283367. The reversal of 78283363 is 36338287.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78283363 is a prime.

It is a super-2 number, since 2×78283363² = 12256569845179538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78283367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2060070 + ... + 2060107.

It is an arithmetic number, because the mean of its divisors is an integer number (20600890).

Almost surely, 2^78283363 is an apocalyptic number.

78283363 is a deficient number, since it is larger than the sum of its proper divisors (4120197).

78283363 is a wasteful number, since it uses less digits than its factorization.

78283363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4120196.

The product of its digits is 145152, while the sum is 40.

The square root of 78283363 is about 8847.7885937674. The cubic root of 78283363 is about 427.7826417667.

The spelling of 78283363 in words is "seventy-eight million, two hundred eighty-three thousand, three hundred sixty-three".