78854256 has 160 divisors (see below), whose sum is σ = 256928000. Its totient is φ = 22954752.

The previous prime is 78854239. The next prime is 78854257. The reversal of 78854256 is 65245887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78854257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106335 + ... + 107073.

It is an arithmetic number, because the mean of its divisors is an integer number (1605800).

Almost surely, 2^78854256 is an apocalyptic number.

78854256 is a gapful number since it is divisible by the number (76) 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 78854256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128464000).

78854256 is an abundant number, since it is smaller than the sum of its proper divisors (178073744).

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

78854256 is a wasteful number, since it uses less digits than its factorization.

78854256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788 (or 776 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 78854256 is about 8879.9918918882. The cubic root of 78854256 is about 428.8200134993.

The spelling of 78854256 in words is "seventy-eight million, eight hundred fifty-four thousand, two hundred fifty-six".