86515401828 has 36 divisors (see below), whose sum is σ = 214442452112. Its totient is φ = 27142085760.

The previous prime is 86515401787. The next prime is 86515401839. The reversal of 86515401828 is 82810451568.

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 11 ways as a sum of consecutive naturals, for example, 12469918 + ... + 12476853.

Almost surely, 2^86515401828 is an apocalyptic number.

It is an amenable number.

86515401828 is an abundant number, since it is smaller than the sum of its proper divisors (127927050284).

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

86515401828 is a wasteful number, since it uses less digits than its factorization.

86515401828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24946812 (or 24946793 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 48.

The spelling of 86515401828 in words is "eighty-six billion, five hundred fifteen million, four hundred one thousand, eight hundred twenty-eight".