78827460 has 48 divisors (see below), whose sum is σ = 225421056. Its totient is φ = 20572672.

The previous prime is 78827431. The next prime is 78827477. The reversal of 78827460 is 6472887.

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, 11157 + ... + 16796.

It is an arithmetic number, because the mean of its divisors is an integer number (4696272).

Almost surely, 2^78827460 is an apocalyptic number.

It is an amenable number.

78827460 is an abundant number, since it is smaller than the sum of its proper divisors (146593596).

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

78827460 is a wasteful number, since it uses less digits than its factorization.

78827460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28012 (or 28010 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 78827460 is about 8878.4829785274. The cubic root of 78827460 is about 428.7714345830.

The spelling of 78827460 in words is "seventy-eight million, eight hundred twenty-seven thousand, four hundred sixty".