58278987 has 32 divisors (see below), whose sum is σ = 97036800. Its totient is φ = 34299936.

The previous prime is 58278943. The next prime is 58278989. The reversal of 58278987 is 78987285.

58278987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 58278987 - 2¹⁰ = 58277963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (58278989) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 4464 + ... + 11682.

It is an arithmetic number, because the mean of its divisors is an integer number (3032400).

Almost surely, 2^58278987 is an apocalyptic number.

58278987 is a deficient number, since it is larger than the sum of its proper divisors (38757813).

58278987 is a wasteful number, since it uses less digits than its factorization.

58278987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7264 (or 7258 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 54.

The square root of 58278987 is about 7634.0675265549. The cubic root of 58278987 is about 387.7073177132.

The spelling of 58278987 in words is "fifty-eight million, two hundred seventy-eight thousand, nine hundred eighty-seven".