78580875 has 16 divisors (see below), whose sum is σ = 130759200. Its totient is φ = 41909600.

The previous prime is 78580849. The next prime is 78580889. The reversal of 78580875 is 57808587.

It is not a de Polignac number, because 78580875 - 2¹² = 78576779 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104400 + ... + 105149.

It is an arithmetic number, because the mean of its divisors is an integer number (8172450).

Almost surely, 2^78580875 is an apocalyptic number.

78580875 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

78580875 is a deficient number, since it is larger than the sum of its proper divisors (52178325).

78580875 is a wasteful number, since it uses less digits than its factorization.

78580875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209567 (or 209557 counting only the distinct ones).

The product of its (nonzero) digits is 627200, while the sum is 48.

The square root of 78580875 is about 8864.5854386993. The cubic root of 78580875 is about 428.3238788643.

The spelling of 78580875 in words is "seventy-eight million, five hundred eighty thousand, eight hundred seventy-five".