78893568 has 160 divisors (see below), whose sum is σ = 252067200. Its totient is φ = 24219648.

The previous prime is 78893539. The next prime is 78893593. The reversal of 78893568 is 86539887.

It is a happy number.

78893568 is a `hidden beast` number, since 78 + 8 + 9 + 3 + 568 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179493 + ... + 179931.

It is an arithmetic number, because the mean of its divisors is an integer number (1575420).

Almost surely, 2^78893568 is an apocalyptic number.

78893568 is a gapful number since it is divisible by the number (78) 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 78893568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126033600).

78893568 is an abundant number, since it is smaller than the sum of its proper divisors (173173632).

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

78893568 is a wasteful number, since it uses less digits than its factorization.

78893568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479 (or 457 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 78893568 is about 8882.2051316101. The cubic root of 78893568 is about 428.8912629688.

The spelling of 78893568 in words is "seventy-eight million, eight hundred ninety-three thousand, five hundred sixty-eight".