78282753 has 8 divisors (see below), whose sum is σ = 105002688. Its totient is φ = 51875664.

The previous prime is 78282751. The next prime is 78282767. The reversal of 78282753 is 35728287.

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

It is not a de Polignac number, because 78282753 - 2¹ = 78282751 is a prime.

It is a super-2 number, since 2×78282753² = 12256378834518018, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78282751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77626 + ... + 78627.

It is an arithmetic number, because the mean of its divisors is an integer number (13125336).

It is a Proth number, since it is equal to 2389 ⋅ 2¹⁵ + 1 and 2389 < 2¹⁵.

Almost surely, 2^78282753 is an apocalyptic number.

It is an amenable number.

78282753 is a deficient number, since it is larger than the sum of its proper divisors (26719935).

78282753 is a wasteful number, since it uses less digits than its factorization.

78282753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156423.

The product of its digits is 188160, while the sum is 42.

The square root of 78282753 is about 8847.7541218097. The cubic root of 78282753 is about 427.7815306405.

The spelling of 78282753 in words is "seventy-eight million, two hundred eighty-two thousand, seven hundred fifty-three".