86451628 has 6 divisors (see below), whose sum is σ = 151290356. Its totient is φ = 43225812.

The previous prime is 86451619. The next prime is 86451643. The reversal of 86451628 is 82615468.

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 as a sum of consecutive naturals, namely, 10806450 + ... + 10806457.

Almost surely, 2^86451628 is an apocalyptic number.

It is an amenable number.

86451628 is a deficient number, since it is larger than the sum of its proper divisors (64838728).

86451628 is a wasteful number, since it uses less digits than its factorization.

86451628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21612911 (or 21612909 counting only the distinct ones).

The product of its digits is 92160, while the sum is 40.

The square root of 86451628 is about 9297.9367603786. The cubic root of 86451628 is about 442.1718174787.

The spelling of 86451628 in words is "eighty-six million, four hundred fifty-one thousand, six hundred twenty-eight".