78964333 has 6 divisors (see below), whose sum is σ = 91856526. Its totient is φ = 67683672.

The previous prime is 78964331. The next prime is 78964339. The reversal of 78964333 is 33346987.

It can be written as a sum of positive squares in only one way, i.e., 78907689 + 56644 = 8883^2 + 238^2 .

It is not a de Polignac number, because 78964333 - 2¹ = 78964331 is a prime.

It is a super-2 number, since 2×78964333² = 12470731772269778, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 78964333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78964331) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 805710 + ... + 805807.

It is an arithmetic number, because the mean of its divisors is an integer number (15309421).

Almost surely, 2^78964333 is an apocalyptic number.

It is an amenable number.

78964333 is a deficient number, since it is larger than the sum of its proper divisors (12892193).

78964333 is a wasteful number, since it uses less digits than its factorization.

78964333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611531 (or 1611524 counting only the distinct ones).

The product of its digits is 326592, while the sum is 43.

The square root of 78964333 is about 8886.1877652906. The cubic root of 78964333 is about 429.0194585494.

It can be divided in two parts, 78964 and 333, that added together give a palindrome (79297).

The spelling of 78964333 in words is "seventy-eight million, nine hundred sixty-four thousand, three hundred thirty-three".