78166048 has 24 divisors (see below), whose sum is σ = 154103040. Its totient is φ = 39028800.

The previous prime is 78166031. The next prime is 78166063. The reversal of 78166048 is 84066187.

It is a super-2 number, since 2×78166048² = 12219862119876608, 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 78166048.

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, 32073 + ... + 34423.

It is an arithmetic number, because the mean of its divisors is an integer number (6420960).

Almost surely, 2^78166048 is an apocalyptic number.

It is an amenable number.

78166048 is a deficient number, since it is larger than the sum of its proper divisors (75936992).

78166048 is a wasteful number, since it uses less digits than its factorization.

78166048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3400 (or 3392 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 78166048 is about 8841.1564854379. The cubic root of 78166048 is about 427.5688440592.

The spelling of 78166048 in words is "seventy-eight million, one hundred sixty-six thousand, forty-eight".