78583264 has 48 divisors (see below), whose sum is σ = 164094336. Its totient is φ = 36979200.

The previous prime is 78583247. The next prime is 78583273. The reversal of 78583264 is 46238587.

It is a self number, because there is not a number n which added to its sum of digits gives 78583264.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 35634 + ... + 37774.

It is an arithmetic number, because the mean of its divisors is an integer number (3418632).

Almost surely, 2^78583264 is an apocalyptic number.

78583264 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78583264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82047168).

78583264 is an abundant number, since it is smaller than the sum of its proper divisors (85511072).

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

78583264 is a wasteful number, since it uses less digits than its factorization.

78583264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2219 (or 2211 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

The square root of 78583264 is about 8864.7201873494. The cubic root of 78583264 is about 428.3282194258.

The spelling of 78583264 in words is "seventy-eight million, five hundred eighty-three thousand, two hundred sixty-four".