78282148 has 12 divisors (see below), whose sum is σ = 156564352. Its totient is φ = 33549480.

The previous prime is 78282097. The next prime is 78282173. The reversal of 78282148 is 84128287.

78282148 is an admirable number.

It is a super-2 number, since 2×78282148² = 12256189390987808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 78282148.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1397868 + ... + 1397923.

Almost surely, 2^78282148 is an apocalyptic number.

It is an amenable number.

78282148 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

78282148 is a wasteful number, since it uses less digits than its factorization.

78282148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2795802 (or 2795800 counting only the distinct ones).

The product of its digits is 57344, while the sum is 40.

The square root of 78282148 is about 8847.7199322763. The cubic root of 78282148 is about 427.7804286162.

The spelling of 78282148 in words is "seventy-eight million, two hundred eighty-two thousand, one hundred forty-eight".