86501428 has 24 divisors (see below), whose sum is σ = 163315040. Its totient is φ = 39852000.

The previous prime is 86501411. The next prime is 86501447. The reversal of 86501428 is 82410568.

It is a junction number, because it is equal to n+sod(n) for n = 86501393 and 86501402.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 37303 + ... + 39553.

Almost surely, 2^86501428 is an apocalyptic number.

It is an amenable number.

86501428 is a deficient number, since it is larger than the sum of its proper divisors (76813612).

86501428 is a wasteful number, since it uses less digits than its factorization.

86501428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3007 (or 3005 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 86501428 is about 9300.6143883079. The cubic root of 86501428 is about 442.2567047549.

The spelling of 86501428 in words is "eighty-six million, five hundred one thousand, four hundred twenty-eight".