86078628 has 36 divisors (see below), whose sum is σ = 217870380. Its totient is φ = 28655616.

The previous prime is 86078617. The next prime is 86078651. The reversal of 86078628 is 82687068.

It can be written as a sum of positive squares in 2 ways, for example, as 39538944 + 46539684 = 6288^2 + 6822^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49876 + ... + 51572.

It is an arithmetic number, because the mean of its divisors is an integer number (6051955).

Almost surely, 2^86078628 is an apocalyptic number.

It is an amenable number.

86078628 is an abundant number, since it is smaller than the sum of its proper divisors (131791752).

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

86078628 is a wasteful number, since it uses less digits than its factorization.

86078628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3116 (or 3111 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 86078628 is about 9277.8568645997. The cubic root of 86078628 is about 441.5349763468.

The spelling of 86078628 in words is "eighty-six million, seventy-eight thousand, six hundred twenty-eight".