78385035 has 32 divisors (see below), whose sum is σ = 131973120. Its totient is φ = 39650688.

The previous prime is 78385033. The next prime is 78385093. The reversal of 78385035 is 53058387.

It is not a de Polignac number, because 78385035 - 2¹ = 78385033 is a prime.

It is a super-2 number, since 2×78385035² = 12288427423902450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78384984 and 78385002.

It is not an unprimeable number, because it can be changed into a prime (78385031) 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 31 ways as a sum of consecutive naturals, for example, 42921 + ... + 44709.

It is an arithmetic number, because the mean of its divisors is an integer number (4124160).

Almost surely, 2^78385035 is an apocalyptic number.

78385035 is a deficient number, since it is larger than the sum of its proper divisors (53588085).

78385035 is a wasteful number, since it uses less digits than its factorization.

78385035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1947.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 78385035 is about 8853.5323459058. The cubic root of 78385035 is about 427.9677585839.

The spelling of 78385035 in words is "seventy-eight million, three hundred eighty-five thousand, thirty-five".