86945078 has 16 divisors (see below), whose sum is σ = 142442496. Its totient is φ = 39473640.

The previous prime is 86945057. The next prime is 86945087. The reversal of 86945078 is 87054968.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22475 + ... + 26057.

It is an arithmetic number, because the mean of its divisors is an integer number (8902656).

Almost surely, 2^86945078 is an apocalyptic number.

86945078 is a deficient number, since it is larger than the sum of its proper divisors (55497418).

86945078 is a wasteful number, since it uses less digits than its factorization.

86945078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4699.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 86945078 is about 9324.4344600624. The cubic root of 86945078 is about 443.0115003970.

The spelling of 86945078 in words is "eighty-six million, nine hundred forty-five thousand, seventy-eight".