78954912 has 120 divisors (see below), whose sum is σ = 235642176. Its totient is φ = 25930368.

The previous prime is 78954901. The next prime is 78954917. The reversal of 78954912 is 21945987.

78954912 is a `hidden beast` number, since 78 + 95 + 491 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (78954917) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 214953 + ... + 215319.

Almost surely, 2^78954912 is an apocalyptic number.

78954912 is a gapful number since it is divisible by the number (72) 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 78954912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117821088).

78954912 is an abundant number, since it is smaller than the sum of its proper divisors (156687264).

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

78954912 is a wasteful number, since it uses less digits than its factorization.

78954912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472 (or 455 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 78954912 is about 8885.6576571461. The cubic root of 78954912 is about 429.0023961918.

The spelling of 78954912 in words is "seventy-eight million, nine hundred fifty-four thousand, nine hundred twelve".