78675264 has 84 divisors (see below), whose sum is σ = 227382324. Its totient is φ = 26007552.

The previous prime is 78675229. The next prime is 78675277. The reversal of 78675264 is 46257687.

It can be written as a sum of positive squares in 2 ways, for example, as 57881664 + 20793600 = 7608^2 + 4560^2 .

Its product of digits (564480) is a multiple of the sum of its prime factors (1152).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 78414 + ... + 79410.

Almost surely, 2^78675264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78675264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113691162).

78675264 is an abundant number, since it is smaller than the sum of its proper divisors (148707060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78675264 is a wasteful number, since it uses less digits than its factorization.

78675264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152 (or 1139 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 78675264 is about 8869.9077785510. The cubic root of 78675264 is about 428.4953068612.

It can be divided in two parts, 7867 and 5264, that added together give a palindrome (13131).

The spelling of 78675264 in words is "seventy-eight million, six hundred seventy-five thousand, two hundred sixty-four".