78283105 has 8 divisors (see below), whose sum is σ = 94007232. Its totient is φ = 62581488.

The previous prime is 78283103. The next prime is 78283129. The reversal of 78283105 is 50138287.

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 78283105 - 2¹ = 78283103 is a prime.

It is a super-2 number, since 2×78283105² = 12256489056882050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78283103) 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, 3324 + ... + 12946.

It is an arithmetic number, because the mean of its divisors is an integer number (11750904).

Almost surely, 2^78283105 is an apocalyptic number.

It is an amenable number.

78283105 is a deficient number, since it is larger than the sum of its proper divisors (15724127).

78283105 is a wasteful number, since it uses less digits than its factorization.

78283105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11255.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 78283105 is about 8847.7740138410. The cubic root of 78283105 is about 427.7821718157.

The spelling of 78283105 in words is "seventy-eight million, two hundred eighty-three thousand, one hundred five".